Dopamine Receptor

Cat. No.	Product Name	Effect	Purity

• HY-B1081A

  Oxidopamine hydrobromide	Antagonist
  Oxidopamine (6-OHDA) hydrobromide is an antagonist of the neurotransmitter dopamine. Oxidopamine hydrobromide is a widely used neurotoxin and selectively destroys dopaminergic neurons. Oxidopamine hydrobromide promotes COX-2 activation, leading to PGE2 synthesis and pro-inflammatory cytokine IL-1β secretion. Oxidopamine hydrobromide can be used for the research of Parkinson’s disease (PD), attention-deficit hyperactivity disorder (ADHD), and Lesch-Nyhan syndrome[1][2][3][4].

• HY-17366

  Clozapine N-oxide	Antagonist	99.98%
  Clozapine N-oxide is a major metabolite of Clozapine and a human muscarinic designer receptors (DREADDs) agonist. Clozapine N-oxide activates the DREADD receptor hM3Dq and hM4Di. Clozapine N-oxide can cross the blood-brain barrier[1][2][3][4]. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist[5][6].

• HY-12708

  Chlorpromazine	Antagonist
  Chlorpromazine is an orally active, blood-brain barrier-transparent antipsychotic agent that effectively antagonises D2 dopamine receptors and 5-HT2A, which is widely used in schizophrenia and other psychiatric disorders. Chlorpromazine exerts anti-cancer activity through a variety of pathways, including anti-proliferation, induction of autophagy and cycle arrest (G2-M phase), inhibition of cytochrome c oxidase (CcO), inhibition of tumour growth and metastasis, and inhibition of tumour immune escape. Chlorpromazine also blocks hNav1.7 channels (IC50=25.9 μM; concentration-dependent) and HERG potassium channels (IC50=21.6 μM), which has potential for analgesic and cardiac arrhythmic studies. Chlorpromazine also can inhibit clathrin-mediated endocytosis[1][2][3][4][5].

• HY-N0304

  L-DOPA
  L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease[1][2][3].

• HY-15608

  MPTP hydrochloride
  MPTP hydrochloride is a brain penetrant dopamine neurotoxin. MPTP hydrochloride can be used to induces Parkinson’s Disease model. MPTP hydrochloride, a precusor of MPP+, induces apoptosis[1][2][3]. MPTP hydrochloride has been verified by MCE with professional biological experiments.

• HY-114578

  PD 118717	Agonist
  PD 118717 is a selective dopamine (DA) D-2 autoreceptor agonist. PD 118717 has significant affinity for 5-HT1A but not 5-HT1B and 5-HT2 receptors. PD 118717 is active in antagonizing the tau-Butyrolactone-induced accumulation of dopa in rat striatum and mesolimbic regions. PD 118717 exhibits an antipsychotic-like profile[1].

• HY-B0965AR

  Thioridazine (Standard)	Antagonist
  Thioridazine (Standard) is the analytical standard of Thioridazine. This product is intended for research and analytical applications. Thioridazine, an antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs)[1][2][3][4].

• HY-15608R

  MPTP hydrochloride (Standard)
  Iproniazid (phosphate) (Standard) is the analytical standard of Iproniazid (phosphate). This product is intended for research and analytical applications. Iproniazid phosphate is a non-selective, irreversible monoamine oxidase (MAO) inhibitor of the hydrazine class. Iproniazid phosphate has antidepressive activity[1].

• HY-169467

  5-Chloro-α-methyltryptamine
  5-Chloro-α-methyltryptamine (Compound 7b) is a potent and selective dual DA/5-HT releaser and 5-HT2a agonist. 5-Chloro-α-methyltryptamine releases DA and 5-HT with the EC50 values of 54.3 nM and 16.2 nM, respectively. 5-Chloro-α-methyltryptamine can be used in the study of neurotransmitter[1].

• HY-155707

  MOR agonist-3	Antagonist
  MOR agonist-3 (Compound 84) is a D3R/MOR antagonist/partial agonist a(Ki 382 nM and 55.2 nM respectively). MOR agonist-3 has the potential to produce analgesic effects through MOR (μ-opioid receptor) (HY-149337) partial agonists and to reduce opioid abuse through D3R antagonists. MOR agonist-3 can be used in the treatment of inflammation and neuropathic pain research[1].

• HY-167915

  Fosopamine hydrochloride	Inhibitor
  Fosopamine hydrochloride serves as a dopamine receptor D agonist, making it a valuable tool for research on hypertension.

• HY-154644

  Soya Lecithin
  Soya Lecithin is a phospholipid mixture that can be used as a drug delivery vehicle and is a pharmaceutical excipient. Soya Lecithin can form a lipid bilayer structure through self-assembly, and its binding properties are amphiphilic (hydrophilic head and hydrophobic tail), encapsulating hydrophobic drugs. Soya Lecithin forms stable nanoliposomes or microemulsions, improves the solubility and cellular uptake efficiency of poorly soluble drugs (such as Curcumin (HY-N0005)), and exerts activities such as enhancing drug delivery and regulating cell proliferation[1][2].

• HY-B0031S

  Quetiapine-d4 fumarate	Antagonist
  Quetiapine-d4 (fumarate) is the deuterium labeled Quetiapine fumarate. Quetiapine fumarate is a 5-HT receptors agonist and a dopamine receptor antagonist. Antidepressant and anxiolytic effects[1].

• HY-B0410AR

  Pramipexole (dihydrochloride hydrate) (Standard)	Agonist
  Pramipexole (dihydrochloride hydrate) (Standard) is the analytical standard of Pramipexole (dihydrochloride hydrate). This product is intended for research and analytical applications. Pramipexole dihydrochloride hydrate is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole dihydrochloride hydrate can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[1][2][3].

• HY-103403

  (-)-OSU6162 hydrochloride	Antagonist
  (-)-OSU6162 (PNU96391) hydrochloride is a dopamine stabilizer. (-)-OSU6162 hydrochloride acts as partial agonist at 5-HT2A and is a dopamine D2 antagonist. (-)-OSU6162 hydrochloride can be used for the research of aggression and irritability[1][2].

• HY-133728

  Piribedil N-oxide	Control
  Piribedil N-oxide is a metabolite of the dopamine receptor agonist Piribedil (HY-12707).

• HY-103417

  SKF 77434 hydrobromide	Agonist
  SKF 77434 hydrobromide is a selective dopamine D1 receptor partial agonist. SKF 77434 hydrobromide has the potential to study cocaine addiction[1].

• HY-128121

  MLS1547	Agonist	99.94%
  MLS1547 is a highly efficacious G protein-biased dopamine D2 receptor (D2R) agonist (Ki=1.2 μM). MLS1547 stimulates D2R G protein-mediated signaling (EC50=0.37 μM in a calcium mobilization assay). MLS1547 acts as an antagonist for dopamine (DA)-stimulated β-arrestin recruitment to the D2R (IC50=9.9 μM)[1][2].

• HY-14325

  L-745870	Antagonist	99.92%
  L-745870 is a potent, selective, brain-penetrant and orally active dopamine D4 receptor antagonist with a Ki of 0.43 nM. L-745870 shows weaker affinity for D2 (Ki of 960 nM) and D3 (Ki of 2300 nM) receptors, and exhibits moderate affinity for 5-HT2 receptors, sigma sites and α-adrenoceptors[1][2][3].

• HY-B1613AR

  Clebopride malate (Standard)	Antagonist
  Clebopride malate (Standard) is the analytical standard of Clebopride malate (HY-B1613A). This product is intended for research and analytical applications. Clebopride malate is an orally active dopamine Receptor antagonist. Clebopride malate acts on dopamine D2 receptors and has antiemetic and prokinetic effects. Clebopride malate can be used in the study of functional gastrointestinal disorders.

• HY-111210

  Pridopidine hydrochloride	Antagonist
  Pridopidine (ACR16) hydrochloride, a dopamine (DA) stabilizer, acts as a low affinity dopamine D2 receptor (D2R) antagonist. Pridopidine exerts high affinity towards sigma 1 receptor (S1R) with Ki between 70 and 80 nM, which is ~100-fold higher than its affinity toward D2R.

• HY-14547A

  Bifeprunox mesylate	Agonist
  Bifeprunox mesylate is a potent dopamine D2-like and 5-HT1A receptor partial agonist with pKis of 7.19 and 8.83 for cortex 5-HT1A and striatum D2, and a pEC50 of 6.37 for hippocampus 5-HT1A, respectively. Bifeprunox mesylate is an antipsychotic for the research of schizophrenia[1][2].

• HY-14763S

  Cariprazine-d6	Modulator	98.00%
  Cariprazine-d6 is a deuterium labeled Cariprazine. Cariprazine Cariprazine is an antipsychotic agent that exhibits high affinity for the D3 (Ki of 0.085 nM) and D2 (Ki of 0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (Ki of 2.6 nM)[1].

• HY-15296R

  Cabergoline (Standard)	Agonist
  Cabergoline (Standard) is the analytical standard of Cabergoline. This product is intended for research and analytical applications. Cabergoline is an ergot derived-dopamine D2-like receptor agonist that has high affinity for D2, D3, and 5-HT2B receptors (Ki=0.7, 1.5, and 1.2, respectively).

• HY-136390

  ML417	Agonist	99.50%
  ML417 is a selective and brain penetrant D3 dopamine receptor (D3R) agonist, with an EC50 of 38 nM. ML417 potently promotes D3R-mediated β-arrestin translocation, G protein mediated signaling, and pERK phosphorylation with minimal effects on other GPCR-mediated signaling. ML417 exhibits neuroprotection against toxin-induced neurodegeneration of dopaminergic neurons[1].

• HY-16567

  Asenapine hydrochloride	Antagonist	99.95%
  Asenapine hydrochloride, an antipsychotic, is a 5-HT (1A, 1B, 2A, 2B, 2C, 5A, 6, 7) and Dopamine (D2, D3, D4) receptor antagonist with Ki values of 0.03-4.0 nM for 5-HT and 1.3, 0.42, 1.1 nM for Dopamine receptor, respectively.

• HY-118461

  PD 120697	Agonist
  PD 120697 is an orally active dopamine (DA) agonist. PD 120697 inhibits striatal DA synthesis, DA neuronal firing, spontaneous locomotor activity, and reverses Reserpine (HY-N0480)-induced depression[1].

• HY-121129

  Eticlopride	Antagonist
  Eticlopride, a selective dopamine D2‐like receptor antagonist, exhibits high affinity for dopamine D2, α1‐adrenergic, α2‐adrenergic, 5HT1, 5HT2 receptors with Kis of 0.09, 112, 699, 6220, and 830 nM, respectively. Eticlopride is an antipsychotic agent[1].

• HY-115955

  Dopamine D3 receptor ligand-3
  Dopamine D3 receptor ligand-3 (compound 12C) is a potent D3 receptor ligand with a Ki of 3.6 nM. Dopamine D3 receptor ligand-3 have high selectivity for D3 over D2 (Ki=353 nM).

• HY-B0532

  Trifluoperazine	Inhibitor	99.83%
  Trifluoperazine, an antipsychotic agent, acts by blocking central dopamine receptors. Trifluoperazine is a potent α1-adrenergic receptor antagonist. Trifluoperazine is a potent NUPR1 inhibitor exerting anticancer activity. Trifluoperazine is a calmodulin inhibitor, and also inhibits P-glycoprotein. Trifluoperazine can be used for the research of schizophrenia. Trifluoperazine acts as a reversible inhibitor of influenza virus morphogenesis[1][2][3][4][5].

• HY-14546

  Aripiprazole	Agonist	99.95%
  Aripiprazole (OPC-14597), an atypical antipsychotic, is a potent and high-affinity dopamine D2 receptor partial agonist. Aripiprazole is an inverse agonist at 5-HT2B and 5-HT2A receptors and displays partial agonist actions at 5-HT1A, 5-HT2C, D3, and D4 receptors. Aripiprazole can be used for the research of schizophrenia and COVID19[1][2][3][4].

• HY-W743888

  AL-LAD	Modulator
  AL-LAD (6-Allyl-6-nor-LSD) is an activator for 5-HT2A receptor with Ki of 3.4-8.1 nM. AL-LAD exhibits affinity for dopamine receptor D1 and dopamine receptor D2 with absolute affinitiesK0.5 of 189 nM and 12.3 nM. AL-LAD acts as psychoactive substance in mouse model[1].

• HY-103407A

  PD 168568 dihydrochloride	Antagonist
  PD 168568 dihydrochloride is a orally active and potent dopamine receptor D4 (DRD4) antagonist. PD 168568 dihydrochloride contains an isoindolinone and is selective for the D4 receptor versus D2 and D3, with Ki values of 8.8, 1842, and 2682 nM, respectively. PD 168568 dihydrochloride can be used for glioblastoma (GBM) research[1][2].

• HY-B0032S

  Lurasidone-d8 hydrochloride	Antagonist
  Lurasidone-d8 (hydrochloride) is the deuterium labeled Lurasidone, which is an inhibitor of Dopamine D2, 5-HT2A, 5-HT7, 5-HT1A and noradrenaline α2C.

• HY-B1371A

  Spiperone hydrochloride	Antagonist
  Spiperone hydrochloride (Spiroperidol hydrochloride) is a selective dopamine D2 receptor (Ki values of 0.06 nM, 0.6 nM, 0.08 nM, ~350 nM, ~3500 nM for D2, D3, D4, D1 and D5 receptors, respectively) and 5-HT2A/5-HT1A receptor (Kis of 1 nM/49 nM) antagonist. Spiperone hydrochloride is also a selective α1B-adrenoceptor antagonist. Spiperone hydrochloride activates calcium-activated chloride channel (CaCC). Antipsychotic and anti-inflammatory activities[1][2][3][4][5].

• HY-A0007S

  Rotigotine-d7 hydrochloride	Agonist
  Rotigotine-d7 (hydrochloride) is the deuterium labeled Rotigotine(N-0923), which is a dopamine D2 and D3 receptor agonist.

• HY-103093R

  Zotepine (Standard)	Antagonist
  Zotepine (Standard) is the analytical standard of Zotepine. This product is intended for research and analytical applications. Zotepine, an antipsychotic agent, is a potent antagonist of 5-HT2A, 5-HT2C, Histamine H1, α1-adrenergic and Dopamine D2 receptors, with Kds of 2.6 nM, 3.2 nM, 3.3 nM, 7.3 nM and 8 nM, respectively. Zotepine exhibits antidepressive and anxiolytic effects in vivo[1][2].

• HY-100539

  PD 128907	Inhibitor
  PD 128907 is a D3 receptor ligand with activities of activating dopamine receptors, inhibiting cell firing, and inhibiting dopamine release. The active (+) enantiomer of PD 128907 has high affinity and selectivity for rat D3 dopamine receptors. PD 128907 inhibits cell firing in the ventral tegmental area and substantia nigra pars compacta with EC50 values of 33nM and 38nM, respectively. PD 128907 also inhibits dopamine release in the caudate putamen with an EC50 of 66nM. However, the selective D2 receptor antagonist L-741,626 has high affinity for receptors activated by PD 128907, indicating that the effects of PD 128907 are more likely on D2 autoreceptors rather than D3 dopamine receptor subtypes.

• HY-10349AR

  WAY-100635 maleate (Standard)	Agonist
  WAY-100635 (maleate) (Standard) is the analytical standard of WAY-100635 (maleate). This product is intended for research and analytical applications. WAY-100635 maleate is a potent and selective 5-hydroxytryptamine 1A (5-HT1A) receptor antagonist with an IC50 value of 0.91 nM and Ki value of 0.39 nM. WAY-100635 maleate has pIC50 values for 5-HT1A and α1-adrenergic receptors of 8.9 and 6.6, respectively. WAY-100635 maleate is also a potent dopamine D4 receptor agonist[1][2][3].

• HY-42849

  Sultopride	Antagonist
  Sultopride (LIN-1418) is a selective antagonist of dopamine D2 receptor.

• HY-14763R

  Cariprazine (Standard)	Modulator
  Cariprazine (Standard) is the analytical standard of Cariprazine. This product is intended for research and analytical applications. Cariprazine is a novel antipsychotic agent candidate that exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (Ki=0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (Ki=2.6 nM).

• HY-19489S1

  (Rac)-Levomepromazine-d3 hydrochloride	Antagonist
  (Rac)-Levomepromazine-d3 (hydrochloride) is a labelled racemic Methotrimeprazine, which is a phenothiazine which has antagonist actions at multiple neurotransmitter receptor sites, including dopaminergic, cholinergic, serotonin and histamine receptors[1][2].

• HY-14543S

  Sertindole-d4	Antagonist	98.64%
  Sertindole-d4 is the deuterium labeled Sertindole. Sertindole, a neuroleptic, is one of the newer antipsychotic medications available[1][2].

• HY-106094

  CY 208-243	Agonist	99.98%
  CY 208-243 is a selective dopamine D1 receptor agonist which exhibits antiparkinsonian activity[1].

• HY-15238A

  ST-836 hydrochloride	Agonist	98.11%
  ST-836 hydrochloride (compound 34) is a potent dopamine receptor ligand with Ki values of 4.5 nM, 132 nM for D3 and D2, respectively. ST-836 hydrochloride has the potential for Parkinson’s disease[1].

• HY-115192

  ent-Naxagolide hydrochloride	Agonist
  ent-Naxagolide (ent-MK-458) hydrochloride is a dopamine D2-receptor agonist. ent-Naxagolide hydrochloride can be used in the study of extrapyramidal diseases and Parkinson's syndrome.

• HY-108698A

  (R)-Preclamol hydrochloride	Agonist
  (R)-Preclamol hydrochloride ((+)-3-PPP hydrochloride) is the R-enantiomer of Preclamol hydrochloride. (R)-Preclamol hydrochloride is a DA agonist with autoreceptor as well as postsynaptic receptor stimulatory properties[1][2].

• HY-14546A

  Aripiprazole monohydrate	Agonist
  Aripiprazole (OPC-14597) monohydrate, an atypical antipsychotic, is a potent and high-affinity dopamine D2 receptor partial agonist. Aripiprazole monohydrate is an inverse agonist at 5-HT2B and 5-HT2A receptors and displays partial agonist actions at 5-HT1A, 5-HT2C, D3, and D4 receptors. Aripiprazole monohydrate can be used for the research of schizophrenia and COVID19[1][2][3][4].

• HY-B0031S2

  Quetiapine-d8 fumarate	Antagonist
  Quetiapine-d8 (fumarate) is the deuterium labeled Quetiapine. Quetiapine is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1][2].

• HY-108236

  Naxagolide hydrochloride	Agonist
  Naxagolide hydrochloride is an agonist of D2. Naxagolide hydrochloride can be used in study Parkinsonism[1].

• HY-14348

  GSK163090	Antagonist	99.77%
  GSK163090 is a potent, selective and orally active 5-HT1A/1B/1D receptor antagonist with pKi values of 9.4/8.5/9.7, respectively. GSK163090 inhibits the functional activity of serotonin reuptake transporter (SerT) with a pKi value of 6.1. GSK163090 has antidepressant and anxiolytic activities[1].

• HY-B1470R

  Azaperone (Standard)	Antagonist
  Azaperone (Standard) is the analytical standard of Azaperone. This product is intended for research and analytical applications. Azaperone (R-1929) acts as a dopamine antagonist but also has some antihistaminic and anticholinergic properties. Azaperone is a pyridinylpiperazine and butyrophenone neuroleptic agent with antiemetic effects, which is used mainly as a tranquilizer in veterinary medicine.

• HY-14330

  ABT-724	Agonist
  ABT-724 is a potent and highly selective dopamine D4 receptor agonist with an EC50 of 12.4 nM for human dopamine D4 receptor. ABT-724 is a potent partial agonist at the rat D4 (EC50 of 14.3 nM) and the ferret D4 receptor (EC50 of 23.2 nM). ABT-724 has no effect on dopamine D1, D2, D3, or D5 receptors. ABT-724 could be useful for the treatment of erectile dysfunction and has favorable side-effect profile[1].

• HY-103406A

  PNU-177864 hydrochloride	Antagonist
  PNU-177864 is a potent, selective, orally active dopamine D3 receptor antagonist. PNU-177864 induces phospholipid metabolism in vivo and has anti-schizophrenia activity[1][2][3].

• HY-19733

  Lumateperone tosylate	Modulator	99.53%
  Lumateperone (ITI-007) tosylate is a 5-HT2A receptor antagonist (Ki = 0.54 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki = 32 nM), and a dopamine D1 receptor modulator. Lumateperone tosylate has anticancer activity and can also be used in studies of psychiatric disorders such as schizophrenia[1][2][3].

• HY-119677

  Oxypertine	Agonist	99.84%
  Oxypertine is a neuroprotective agent. Oxypertine can be used in the research of neurological conditions, such as anxiety and schizophrenia[1][2][3].

• HY-167648

  PD 158771	Agonist
  PD 158771 is an antipsychotic agent that functions as a partial agonist for D2 /D3 receptors (Ki = 42.0/13.7 nM) and as an agonist for 5-HT1A receptors (Ki = 2.6 nM). PD 158771 can be utilized in antipsychotic research[1].

• HY-14541S1

  Olanzapine-d4	Antagonist
  Olanzapine-d4 (LY170053-d4) is deuterium-labeled Olanzapine (HY-14541)[1].

• HY-12707

  Piribedil	Agonist	99.33%
  Piribedil is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil is also a α2-adrenoceptors antagonist. Piribedil can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil has the potential for the research of parkinson's disease, circulatory disorders, cancers[1][2][3][4].

• HY-103410R

  Carmoxirole hydrochloride (Standard)	Agonist
  Carmoxirole (hydrochloride) (Standard) is the analytical standard of Carmoxirole (hydrochloride). This product is intended for research and analytical applications. Carmoxirole hydrochloride (EMD 45609 hydrochloride) is a selective, peripherally acting dopamine D2 receptor agonist and exhibits antihypertensive activities in vivo[1].

• HY-17355S

  Pramipexole-d7 dihydrochloride	Agonist
  Pramipexole-d7 (dihydrochloride) is the deuterium labeled Pramipexole dihydrochloride. Pramipexole dihydrochloride is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole dihydrochloride can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[1][2][3].

• HY-B1693

  Levomepromazine	Antagonist	99.98%
  Levomepromazine (Methotrimeprazine) is an orally active antipsychotic compound and Ca2+ release inducer. Levomepromazine inhibits SERCA pump and induces an increase in cytoplasmic Ca2+ levels. Levomepromazine has antagonistic effects on a variety of neurotransmitter receptors, including dopamine, cholinergic, serotonin, and histamine receptors. Levomepromazine can induce adaptive ER stress and autophagy. In addition, Levomepromazine has antiviral, anti-inflammatory, neuroprotective and analgesic, sedative and anti-injurious activities. Levomepromazine can be used in the study psychiatric disorders and relieving nausea and vomiting[1][2][3][4].

• HY-10121S2

  Asenapine-13C,d3	Antagonist
  Asenapine-13C,d3 is 13C and deuterated labeled Asenapine (HY-10121). Asenapine (Org 5222), an atypical antipsychotic, is an antagonist of serotonin receptors (pKi: 8.4-10.5), adrenoceptors (pKi: 8.9-9.5), dopamine receptors (pKi: 8.9-9.4) and histamine receptors (pKi: 8.2-9.0). Asenapine can be used in the research of schizophrenia and bipolar disorder[1][2].

• HY-116020

  FAUC 365	Antagonist	98.75%
  FAUC 365 is a highly dopamine D3 receptor-selective antagonist with Ki values of 0.5 nM, 340, 2600, and 3600 nM at D3, D4.4, D2short, and D2Long receptors, respectively. FAUC 365 can be used for the research of schizophrenia, and Parkinson's disease[1][2].

• HY-106973A

  Nolomirole hydrochloride	Agonist
  Nolomirole (CHF 1035) hydrochloride is an orally active and selective DA2 dopaminergic receptor/α2-adrenoceptor agonist. Nolomirole attenuates the heart failure signs in the Monocrotaline (HY-N0750)-induced congestive heart failure model. Nolomirole increases cardiac output[1][2].

• HY-W010265R

  Butyrophenone (Standard)	Antagonist
  Butyrophenone (Standard) is the analytical standard of Butyrophenone. This product is intended for research and analytical applications. Butyrophenone (1-Phenylbutan-1-one) is a dopamine receptor (DA Receptor) antagonist and can be used in research on mental disorders[1][2].

• HY-11018S2

  Risperidone-d6	Antagonist
  Risperidone-d6 (R 64 766-d6) is the deuterium labeled Risperidone (HY-11018). Risperidone is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively[1][2].

• HY-17355AR

  Dexpramipexole (dihydrochloride) (Standard)	Agonist
  Dexpramipexole (dihydrochloride) (Standard) is the analytical standard of Dexpramipexole (dihydrochloride). This product is intended for research and analytical applications. Dexpramipexole dihydrochloride ((R)-Pramipexole dihydrochloride) is a neuroprotective agent and weak non-ergoline dopamine agonist.

• HY-19845A

  Ordopidine hydrochloride	Modulator
  Ordopidine hydrochloride is a modulator of dopamine receptor extracted from patent WO/2005/121087A1, compound example 2; exhibits an ED50 of 68 μmol/kg on increase of DOPAC in the rat striatum.

• HY-124521

  Quinelorane	Agonist
  Quinelorane (LY163502 free base) is a dopamine D2 receptor agonist. Quinelorane promotes semen ejaculation but inhibits penile erection in rats. Quinelorane can be used in the study of sexual dysfunction[1].

• HY-A0081

  Fluphenazine dihydrochloride	Inhibitor
  Fluphenazine dihydrochloride is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine dihydrochloride blocks neuronal voltage-gated sodium channels. Fluphenazine dihydrochloride acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine dihydrochloride can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine dihydrochloride can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2[1][2][3][4][6].

• HY-B0623A

  Ropinirole hydrochloride	Agonist	99.85%
  Ropinirole (SKF 101468) hydrochloride is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole hydrochloride has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole hydrochloride has no affinity for the D1 receptors. Ropinirole hydrochloride has the potential for Parkinson's disease[1][2].

• HY-108455

  N-Palmitoyl dopamine	Activator
  N-Palmitoyl dopamine (PALDA) is a endogenous, long-chain, linear fatty acid dopamide, which is inactive on TRPV1. N-Palmitoyl dopamine displays 'entourage' effects on endovanilloids N-arachidonoyl-dopamine (NADA) and anandamide[1].

• HY-14545S

  Amisulpride-d5	Antagonist	98.83%
  Amisulpride-d5 is the deuterium labeled Amisulpride. Amisulpride is a dopamine D2/D3 receptor antagonist with Kis of 2.8 and 3.2 nM for human dopamine D2 and D3, respectively[1][2].

• HY-137262

  Protein deglycase DJ-1 against-1	Inhibitor	99.86%
  Protein deglycase DJ-1 against-1, a DJ-1-binding compound, dependently targets DJ1. Protein deglycase DJ-1 against-1 penetrates through the blood brain barrier (BBB). Protein deglycase DJ-1 against-1 is used as a neuroprotective agent and has the potential for Parkinson's disease research[1].

• HY-101065

  AJ-76 hydrochloride	Antagonist	98.55%
  AJ-76 hydrochloride ((+)-AJ 76 hydrochloride) is an antagonist of dopamine autoreceptor with pKi values of 6.95, 6.67, 6.37, 6.21 and 6.07 for hD3, hD4, hD2S, hD2L and rD2 receptors, respectively.

• HY-11018B

  Risperidone mesylate	Antagonist
  Risperidone mesylate(R 64 766 mesylate) is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.

• HY-B1794

  Thiethylperazine	Antagonist	99.91%
  Thiethylperazine, a phenothiazine derivate, is an orally active and potent dopamine D2-receptor and histamine H1-receptor antagonist. Thiethylperazine is also a selective ABCC1activator that reduces amyloid-β (Aβ) load in mice. Thiethylperazine has anti-emetic, antipsychotic and antimicrobial effects[1][2][3].

• HY-117059

  SK609 hydrochloride	Agonist	99.83%
  SK609 hydrochloride is a dopamine D3 receptor (D3R) selective agonist with an EC50 of 1109 nM. SK609 hydrochloride has the potential for parkinson research[1].

• HY-103430

  SKF-83566 hydrobromide	Antagonist
  SKF-83566 hydrobromide is a potent, blood-brain permeable and orally active D1-like dopamine receptor (D1DR) antagonist and a weaker competitive antagonist at the vascular 5-HT2 receptor (Ki=11 nM)[1][3]. SKF-83566 is a competitive DAT (dopamine transporter) inhibitor with an IC50 of 5.7 μM[2]. SKF-83566 also shows selective inhibition for adenylyl cyclase 2 (AC2) over AC1 and AC5 in the isolated rabbit thoracic aorta[4]. SKF-83566 can be used for the research of parkinson’s disease and nicotine craving alleviation[5].

• HY-110080

  Lisuride maleate	Agonist
  Lisuride (maleate) is a potent agonist of dopamine with a probably direct action on dopaminergic receptors. Lisuride (maleate) is an ergot derivative. Lisuride (maleate) releases the premenstrual mastalgia without significant side effects[1][2].

• HY-115953

  Dopamine D3 receptor ligand-1
  Dopamine D3 receptor ligand is a potent, selective and high affinity ligand for Dopamine D3 receptor with 89-fold selective for D3 over D2 (D3 Ki= 8 nM, D2 Ki= 715 nM)[1].

• HY-121650

  ADTN	Inhibitor
  ADTN is a dopamine receptor agonist that has the activity of promoting dopamine neurotransmission. ADTN can be used to increase the release of neurotransmitters, thereby improving dopamine-related physiological functions. ADTN's potential applications include inhibiting mental illness and improving cognitive function[1].

• HY-107663

  MIF-1	Modulator
  MIF-1 (Melanostatin), an endogenous brain peptide, is a potent dopamine receptor allosteric modulator. MIF-1 inhibits melanin formation. MIF-1 blocks the effects of opioid receptor activation to modulate the analgesic effects. MIF-1 accesses from the blood to the CNS by directly crossing the blood-brain barrier (BBB)[1][2][3].

• HY-132392S

  L-DOPA-2,5,6-d3		98.80%
  L-DOPA-2,5,6-d3 is the deuterium labeled L-DOPA. L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain[1][2][3].

• HY-P0079

  Neuromedin N	Modulator	99.84%
  Neuromedin N is a potent modulator of dopamine D2 receptor agonist binding in rat neostriatal membranes.

• HY-B1115A

  Buspirone	Antagonist	99.86%
  Buspirone is an orally active 5-HT1A receptor agonist, and a dopamine D2 autoreceptorsant antagonist. Buspirone is an anxiolytic agent, and can be used for the generalized anxiety disorder research[1].

• HY-11018A

  Risperidone hydrochloride	Antagonist
  Risperidone hydrochloride (R 64 766 hydrochloride) 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.

• HY-101348

  L-741626	Antagonist
  L-741626 is a selective D2 dopamine receptor antagonist, with the Ki values of 2.4, 100 and 220 nM for human D2, D3 and D4 receptors respectively[1].

• HY-B0410S1

  Pramipexole-d5
  Pramipexole-d5 is the deuterium labeled Pramipexole[1]. Pramipexole is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[2][3][4].

• HY-17355BS

  Dexpramipexole-d3 dihydrochloride	Agonist
  Dexpramipexole-d3 (dihydrochloride) is the deuterium labeled Dexpramipexole. Dexpramipexole((R)-Pramipexole), also known as R-(+)-Pramipexole, is a neuroprotective agent and weak non-ergoline dopamine agonist[1][2].

• HY-B0410A

  Pramipexole dihydrochloride hydrate	Agonist
  Pramipexole dihydrochloride hydrate is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole dihydrochloride hydrate can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[1][2][3].

• HY-17382C

  Metoclopramide dihydrochloride	Inhibitor
  Metoclopramide dihydrochloride acts as a dopamine D2 antagonist and is utilized for its antiemetic properties.

• HY-13575S1

  Blonanserin-d5	Antagonist
  Blonanserin-d5 is a deuterium labeled Blonanserin. Blonanserin is a dopamine D2/5-HT2 receptor antagonist and an atypical antipsychotic[1][2].

• HY-B1225R

  Promazine (hydrochloride) (Standard)	Antagonist
  Promazine (hydrochloride) (Standard) is the analytical standard of Promazine (hydrochloride). This product is intended for research and analytical applications. Promazine (Romtiazin) hydrochloride is an antipsychotic and a dopamine receptor D2 antagonist. Promazine hydrochloride inhibits dopaminergic neurotransmission[1][2].

• HY-130344

  SKF 83959	Agonist	98.94%
  SKF83959 is a potent and selective dopamine D1-like receptor partial agonist. SKF83959 Ki values for rat D1, D5, D2 and D3 receptors are 1.18, 7.56, 920 and 399 nM, respectively. SKF83959 is a potent allosteric modulator of sigma (σ)-1 receptor. SKF83959 belongs to benzazepine family and has improvements on cognitive dysfunction. SKF83959 can be used for the research of Alzheimer's disease and depression[1][2][3][4].

• HY-119943

  PF-06256142	Agonist	99.90%
  PF-06256142 is a potent, selective, CNS-penetrant and orally active agonist of the D1 receptor, with an EC50 and Ki of 33 nM and 12 nM, respectively. PF-06256142 has the potential for the research of schizophrenia and Parkinson's disease[1].

• HY-B0731A

  Perospirone	Antagonist	99.43%
  Perospirone (SM-9018 free base) is an orally active antagonist of 5-HT2A receptor (Ki=0.6 nM) and dopamine D2 receptor (Ki=1.4 nM), and also a partial agonist of 5-HT1A receptor (Ki=2.9 nM). Perospirone is an atypical antipsychotic agent and has the potential for schizophrenic disease research[1][2].

• HY-B0411R

  Domperidone (Standard)	Inhibitor
  Domperidone (Standard) is the analytical standard of Domperidone. This product is intended for research and analytical applications. Domperidone (R33812) is an orally active and selective dopamine-2 receptor antagonist. Domperidone acts as an antiemetic and a prokinetic agent through its effects on the chemoreceptor trigger zone and motor function of the stomach and small intestine[1].

• HY-13720

  Pergolide	Agonist
  Pergolide (LY127809 (free base)) is an ergot-derived orally active dopamine receptor agonist. Pergolide can be used for Parkinson disease research[1].

• HY-N0300A

  Tetrahydropalmatine hydrochloride	Inhibitor	99.91%
  Tetrahydropalmatine (DL-Tetrahydropalmatine) hydrochloride possesses analgesic effects. Tetrahydropalmatine hydrochloride acts through inhibition of amygdaloid release of dopamine to inhibit an epileptic attack in rats[1].

• HY-120879

  PF2562	Agonist
  PF2562 (Example 6), a dopamine D1 ligand, ascts as a dopamine D1 agonist or partial agonist. PF2562 binds to human D1 receptor with a Ki of 113 nM. PF2562 exhibits activity against human D1 cAMP with an EC50 of 568 nM in HTRF assay[1].

• HY-14763A

  Cariprazine hydrochloride	Modulator	99.90%
  Cariprazine hydrochloride is a novel antipsychotic agent candidate that exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (Ki=0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (Ki=2.6 nM).

• HY-N0096

  Rotundine	Antagonist	99.96%
  Rotundine is an antagonist of dopamine D1, D2 and D3 receptors with IC50s of 166 nM, 1.4 μM and 3.3 μM, respectively. Rotundine is also an antagonist of 5-HT1A with an IC50 of 370 nM.

• HY-119486

  Tavapadon	Agonist	99.94%
  Tavapadon (PF-06649751) is an orally active and highly selective dopamine D1/D5 receptor partial agonist. Tavapadon is effective in enabling movement and reducing disability and has the potential for Parkinson's disease[1].

• HY-B0274

  Chlorprothixene	Antagonist	99.61%
  Chlorprothixene is a dopamine and histamine receptors antagonist with Kis of 18 nM, 2.96 nM, 4.56 nM, 9 nM and 3.75 nM for hD1, hD2, hD3, hD5 and hH1 receptors, respectively. Antipsychotic activity[1].

• HY-B1059S

  Levosulpiride-d3	Antagonist	99.79%
  Levosulpiride-d3 is the deuterium labeled Levosulpiride. Levosulpiride (RV-12309) is the (S)-enantiomer of sulpiride, which is a D2 receptor a antagonist, an atypical antipsychotic agent of the benzamide class[1][2].

• HY-13736A

  Quinagolide hydrochloride	Agonist	99.69%
  Quinagolide hydrochloride (CV205-502 hydrochloride) is a selective and orally active dopamine D2 receptor agonist. Quinagolide hydrochloride is an inhibitor of prolactin. Quinagolide hydrochloride down-regulates AKT levels and its phosphorylation. Quinagolide hydrochloride shows antitumor effects, it can be used for the research of cancer[1][2].

• HY-B0799

  Dihydroergotoxine mesylate	Modulator	99.88%
  Dihydroergotoxine mesylate (Ergoloid mesylates) is an α-adrenergic blocking agent. Dihydroergotoxine mesylate binds with high affinity to the GABAA receptor associated Cl- channel. Dihydroergotoxine mesylate also interacts with central dopaminergic and serotonergic receptors. Dihydroergotoxine mesylate displays antiproliferative, antihypertensive and neuroprotective activity[1][2][3][4][5][6][7][8][9].Dihydroergotoxine mesylate (Ergoloid mesylates) is an α-adrenergic blocking agent. Dihydroergotoxine mesylate binds with high affinity to the GABAA receptor associated Cl- channel. Dihydroergotoxine mesylate also interacts with central dopaminergic and serotonergic receptors. Dihydroergotoxine mesylate displays antiproliferative, antihypertensive and neuroprotective activity[1][2][3][4][5][6][7][8][9].

• HY-B0031S1

  Quetiapine-d4 hemifumarate	Antagonist	99.69%
  Quetiapine-d4 (hemifumarate) is the deuterium labeled Quetiapine hemifumarate. Quetiapine hemifumarate is a 5-HT receptors agonist and a dopamine receptor antagonist. Antidepressant and anxiolytic effects[1].

• HY-159524

  Matsupexolum	Agonist
  Matsupexolum (Matsupexole) is a dopamine receptor agonist[1].

• HY-W116433

  SK609
  SK609 is a selective dopamine D3 receptor agonist with activity that improves dopamine and norepinephrine levels in the cerebral cortex. SK609 has been successfully used to suppress dyskinesias in Parkinson's disease models and alleviated muscle twitches induced by L-dopa. SK609 improved performance in sustained attention tasks by significantly reducing misses and false alarms. SK609 may provide an inhibitory option for suppressing movement and cognitive impairment in patients with Parkinson's disease[1].

• HY-12705A

  Bromocriptine mesylate	Agonist	99.98%
  Bromocriptine mesylate is a potent dopamine D2/D3 receptor agonist, which binds D2 dopamine receptor with pKi of 8.05±0.2.

• HY-119468

  Medifoxamine	Inhibitor	99.34%
  Medifoxamine is a monoamine re-uptake inhibiting antidepressive agent which preferentially inhibits dopamine reuptake[1].

• HY-17390AR

  Loxapine (succinate) (Standard)	Inhibitor
  Loxapine (succinate) (Standard) is the analytical standard of Loxapine (succinate). This product is intended for research and analytical applications. Loxapine succinate is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent. Loxapine can also suppresses bacterial efflux pump activity and inhibit intracellular multiple-antibiotic-resistant Salmonella enterica serovar Typhimurium in macrophages[1][4][6].

• HY-117533

  UNC0006
  UNC0006 is a β-arrestin-biased dopamine D2 ligand. UNC0006 can be used in the study of antipsychotic[1].

• HY-111385

  UNC9994 hydrochloride	Agonist
  UNC9994 hydrochloride is a functionally selective, β-arrestin–biased dopamine D2 receptor (D2R) agonist that selectively activates β-arrestin recruitment and signaling. UNC9994 hydrochloride shows a binding affinity with a Ki of 79 nM for D2R. UNC9994 hydrochloride is also an antagonist of Gi-regulated cAMP production and partial agonist for D2R/β-arrestin-2 interactions. UNC9994 hydrochloride shows antipsychotic-like activity[1].

• HY-110232

  Risperidone-d4	Antagonist	99.40%
  Risperidone-d4 is the deuterium labeled Risperidone. Risperidone is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.

• HY-167875

  Neflumozide	Antagonist
  Neflumozide (HRP 913) is an orally active benzisoxazole derivative and a potent dopamine antagonist with antipsychotic activity. Neflumozide can be utilized in psychosis research[1].

• HY-14545S1

  Amisulpride-d5 N-Oxide	Antagonist
  Amisulpride-d5 N-Oxide is the deuterium labeled Amisulpride. Amisulpride is a dopamine D2/D3 receptor antagonist with Kis of 2.8 and 3.2 nM for human dopamine D2 and D3, respectively[1][2].

• HY-12697

  NGB 2904	Antagonist	98.28%
  NGB 2904 is a potent, selective, orally active and brain-penetrated antagonist of dopamine D3 receptor, with a Ki of 1.4 nM. NGB 2904 shows selectivity for D3 over D2, 5-HT2, α1, D4, D1 and D5 receptors (Kis=217, 223, 642, >5000, >10000 and >10000 nM, respectively). NGB 2904 antagonizes Quinpirole-stimulated mitogenesis[1][2].

• HY-W008610

  GBR 12783	Inhibitor
  GBR 12783 is a specific, potent and selective dopamine uptake inhibitor that inhibits the [3H]dopamine uptake by rat and mice striatal synaptosomes with IC50s of 1.8 nM and 1.2 nM, respectively. GBR 12783 can improve memory performance and increase hippocampal acetylcholine release in rats[1][2].

• HY-125125

  Danshenxinkun D	Inhibitor
  Danshenxinkun D is an anti-Alzheimer's disease (AD) candidate. Danshenxinkun D can significantly reverse the expression of PSEN1 and DRD2 mRNA in H2O2 treated PC12 cells. Danshenxinkun D can be used in the study of anti-Alzheimer's disease product candidate [1].

• HY-106904

  Nexopamil	Antagonist
  Nexopamil is a calcium antagonist of Ca2+ channel, 5HT2, 5HT1A, 5HT1C and dopamine D2 receptors. Nexopamil exhibits vasodilatory, cardioprotective, and platelet aggregation inhibiting effects. Nexopamil can be used for researches of stable or unstable angina and possibly of peripheral arterial occlusive disease[1].

• HY-107434S

  Molindone-d8	Inhibitor	99.2%
  Molindone-d8 is the deuterium labeled Molindone. Molindone hydrochloride (EN-1733A) is a therapeutic antipsychotic, used in the treatment of schizophrenia, works by blocking the effects of dopamine in the brain, leading to diminished psychoses[1][2].

• HY-173044

  5-HT1AR/5-HT6R ligand-1	Antagonist
  5-HT1AR/5-HT6R ligand-1 (Compound PP13) is the ligand for 5-HT receptor that exhibits good affinity to 5-HT1AR, 5-HT6R and 5-HT7R (Ki of 19, 69 and 198 nM, respectively), thereby inhibiting the cAMP production in HEK293 cell with EC50 of 1535, 488 and 53 nM, respectively. 5-HT1AR/5-HT6R ligand-1 exhibits anti-proliferative activity against a variety of cancer cells (IC50 for 1321N1, U87MG, MCF7, and AsPC-1 is 9.6, 13.6, 19.3 and 14.6 μM, respectively). 5-HT1AR/5-HT6R ligand-1 also exhibits antagonist activity for dopamine receptor D2R with Ki of 1903 nM[1].

• HY-75502

  Rotigotine	Agonist	99.99%
  Rotigotine is a potent dopamine receptor agonist with Ki values of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors and dopamine D1 receptor. Rotigotine a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor. Rotigotine can be used for parkinson's disease (PD) research[1][2][3][4].

• HY-12324

  SB269652	Antagonist
  SB269652 is the first drug-like allosteric modulator of the dopamine D2 receptor (D2R); a new chemical probe that can differentiate D2R monomers from dimers or oligomers depending on the observed pharmacology.

• HY-B1470S

  Azaperone-d4	Antagonist
  Azaperone-d4 is the deuterium labeled Azaperone. Azaperone (R-1929) acts as a dopamine antagonist but also has some antihistaminic and anticholinergic properties. Azaperone is a pyridinylpiperazine and butyrophenone neuroleptic agent with antiemetic effects, which is used mainly as a tranquilizer in veterinary medicine.

• HY-17382A

  Metoclopramide hydrochloride hydrate	Antagonist	99.96%
  Metoclopramide hydrochloride hydrate is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide hydrochloride hydrate can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis[1][2].

• HY-B0623AS3

  Ropinirole-d14 hydrochloride	Agonist
  Ropinirole-d14 hydrochloride is deuterated labeled Ropinirole hydrochloride (HY-B0623A). Ropinirole (SKF 101468) hydrochloride is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole hydrochloride has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole hydrochloride has no affinity for the D1 receptors. Ropinirole hydrochloride has the potential for Parkinson's disease[1][2].

• HY-12707A

  Piribedil dihydrochloride	Agonist
  Piribedil dihydrochloride is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil dihydrochloride is also a α2-adrenoceptors antagonist. Piribedil dihydrochloride can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil dihydrochloride has the potential for the research of parkinson's disease, circulatory disorders, cancers[1][2][3][4].

• HY-B1077

  Penfluridol	Inhibitor	99.93%
  Penfluridol (R-16341) is a potent, long-acting, first-generation, oral diphenylbutylpiperidine antipsychotic agent by targeting D2-like dopamine receptor. Penfluridol effectively inhibits TNFα-induced NF-κB activation and alleviates the severity of arthritis and colitis in vivo. Penfluridol is a Ca2+-calmodulin inhibitor. Penfluridol induces apoptosis and autophagy. Penfluridol is used for chronic schizophrenia, acute psychosis, Tourette syndrome and autoimmune diseases. Penfluridol inhibites the growth of E. faecalis planktonic cells with the MIC of 7.81 µg/ml[1][2][3][4].

• HY-A0163B

  Zuclopenthixol dihydrochloride	Antagonist	99.98%
  Zuclopenthixol ((Z)-Clopenthixol) dihydrochloride is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist. Zuclopenthixol dihydrochloride is used in the study of schizophrenia[1][2][3].

• HY-106100A

  Roxindole hydrochloride	Agonist
  Roxindole hydrochloride (EMD 38362), an indot-alkyl-pipenidine, is a potent agonist at dopamine autoreceptors, with an affinity for the D2-like subtype in the low nanomolar range. Roxindole can be used for the research of positive and negative schizophrenic symptoms. Roxindole is a 5-HT1A agonist and 5-HT uptake inhibitor with high affinity for 5-HT1A (IC50=0.9 nM). Antipsychotic and antidepressant activities[1][2][3].

• HY-W436270

  Bulbocapnine hydrochloride	Inhibitor
  Bulbocapnine hydrochloride, an aporphine alkaloid, is a dopamine receptor inhibitor. Bulbocapnine hydrochloride inhibits dopamine synthesis. Bulbocapnine hydrochloride also has neuroleptic-like, anticonvulsant and antinociceptive effects[1][2][3].

• HY-120687

  A68930	Agonist
  A68930, as a dopamine D1 receptor agonist, can be used for the research of bronchiectasis[1].

• HY-A0019S

  Paliperidone-d4	Antagonist
  Paliperidone-d4 is the deuterium labeled Paliperidone. Paliperidone (9-Hydroxyrisperidone), the major active metabolite of Risperidone, is a dopamine D2 antagonist and 5-HT2A antagonist. Paliperidone is also active as an antagonist at α1 and α2 adrenergic receptors and H1-histaminergic receptors. Paliperidone, a antipsychotic agent, shows efficacy against schizophrenia[1].

• HY-14604

  Xaliproden hydrochloride	Antagonist	98.57%
  Xaliproden hydrochloride (SR57746A) is a potent, selective and orally active agonist of 5-HT1A receptor, shows a high affinity for 5-HT1A specific binding sites in the rat hippocampus (IC50=3 nM). Xaliproden hydrochloride is also a selective antagonist of dopamine D2 receptor, has moderate affinity (IC50=0.1-1 μM). Xaliproden hydrochloride exhibits anti-depression and anti-anxiety effects, and it may possess therapeutic potential for the research of neurodegenerative diseases[1][2][3].

• HY-169394

  5-HT1AR agonist 2	Modulator
  5-HT1AR agonist 2 (Compound 4f) is a 5-HT1A receptor agonist (Ki: 10.0 nM). 5-HT1AR agonist 2 also binds to the SERT, D2 receptor and 5-HT6 receptor (Ki: SERT, 2.8 nM; D2, 23 nM; 5-HT6, 192 nM). 5-HT1AR agonist 2 is stabilized in microsomes and induces hypothermia in mice[1].

• HY-15394A

  (Rac)-Rotigotine	Agonist
  (Rac)-Rotigotine (N-0437) is a racemate of Rotigotine. Rotigotine is a full agonist of dopamine receptor, a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor, with Kis of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors, and dopamine D1 receptor.

• HY-109150A

  Mesdopetam hemitartrate	Antagonist	99.86%
  Mesdopetam (IRL790) hemitartrate is a dopamine D3 receptor antagonist (Ki=90 nM; IC50=9.8 μM for human recombinant D3 receptor) with psychomotor stabilizing properties. Mesdopetam hemitartrate is used for the research of motor and psychiatric complications in Parkinson disease[1][2].

• HY-12714

  TDHL	Agonist
  TDHL (Tergurid) is a dopamine receptor agonist with a Kd of 0.39 nM for D2 receptor and an orally available 5-HT-2 receptor antagonist.

• HY-14782A

  Adoprazine hydrochloride	Antagonist
  Adoprazine (SLV313) hydrochloride is a full 5-HT1A receptor agonist with a pEC50 of 9 at cloned h5-HT1A receptors. Adoprazine hydrochloride is a full D2 and D3 receptor antagonist with pA2s of 9.3 and 8.9 at hD2 and hD3 receptors, respectively. Adoprazine has the characteristics of atypical antipsychotics[1].

• HY-W040146S

  Propionylpromazine-d6 hydrochloride	Antagonist	99.78%
  Propionylpromazine-d6 (hydrochloride) is the deuterium labeled Propionylpromazine hydrochloride. Propionylpromazine hydrochloride (Propiopromazine hydrochloride), a dopamine receptor D2 (DRD2) antagonist, can be used in the research of Parkinson disease[1].

• HY-N0300

  Tetrahydropalmatine	Inhibitor	99.72%
  Tetrahydropalmatine possesses analgesic effects. Tetrahydropalmatine acts through inhibition of amygdaloid release of dopamine to inhibit an epileptic attack in rats[1].

• HY-114085

  BP 897	Agonist
  BP 897 is a potent and partial dopamine D3 receptor agonist and a weak D2 receptor antagonist. BP 897 displays a high affinity at the dopamine D3 receptor (Ki=0.92 nM) and a 70 times lower affinity at the D2 receptor (Ki=61 nM)[1].

• HY-118064

  (R)-Thionisoxetine
  (R)-Thionisoxetine is a potent and selective inhibitor of central and peripheral norepinephrine (NE) uptake. (R)-thionisoxetine prevented hypothalamic NE depletion by 6-hydroxydopamine with an ED50 of 0.21 mg/kg. (R)-Thionisoxetine can be used for the research of a variety of diseases including depression and urinary incontinence[1].

• HY-B1110

  Nomifensine	Inhibitor
  Nomifensine ((±)-Nomifensine) is a potent norepinephrine (NE) and dopamine (DA) reuptake inhibitor. Nomifensine inhibits uptake of NE, DA and 5-HT in rat brain synaptosomes, with IC50 values of 6.6 nM, 48 nM and 830 nM, and Ki values of 4.7 nM, 26 nM and 4000 nM, respectively. Nomifensine has antidepressant and analgesic effects. Nomifensine is used in neurodegenerative diseases, compound addiction, and pain research[1][2][3][4][5][6][7].

• HY-B0532AS

  Trifluoperazine-d3 dihydrochloride	Inhibitor
  Trifluoperazine-d3 (dihydrochloride) is deuterium labeled Trifluoperazine (dihydrochloride). Trifluoperazine dihydrochloride, an antipsychotic agent, acts by blocking central dopamine receptors. Trifluoperazine dihydrochloride is a potent α1-adrenergic receptor antagonist. Trifluoperazine dihydrochloride is a potent NUPR1 inhibitor exerting anticancer activity. Trifluoperazine dihydrochloride is a calmodulin inhibitor, and also inhibits P-glycoprotein. Trifluoperazine dihydrochloride can be used for the research of schizophrenia. Trifluoperazine dihydrochloride acts as a reversible inhibitor of influenza virus morphogenesis[1][2][3][4][5].

• HY-15394S1

  (Rac)-Rotigotine-d3 hydrochloride	Agonist
  (Rac)-Rotigotine-d3 hydrochloride is a deuterium labeled (Rac)-Rotigotine (hydrochloride) (HY-15394). (Rac)-Rotigotine hydrochloride is a racemate of Rotigotine. Rotigotine is a full agonist of dopamine receptor, a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor, with Kis of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors, and dopamine D1 receptor.

• HY-B0623S1

  Ropinirole-d3	Agonist
  Ropinirole-d3 (SKF 101468-d3) is deuterium labeled Ropinirole. Ropinirole (SKF 101468) is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole has no affinity for the D1 receptors. Ropinirole has the potential for Parkinson's disease[1][2].

• HY-B0735

  Fenoldopam	Agonist
  Fenoldopam(SKF 82526) is a drug and synthetic benzazepine derivative which acts as a selective D1 receptor partial agonist.

• HY-B1752

  Quinpirole
  Quinpirole (LY 171555) is a dopamine D2/D3 receptor agonist with activity in reducing hypothalamic norepinephrine concentrations. The effects of Quinpirole are not produced by the selective D1 agonist SKF 38393 or the dextrorotatory isomer of Quinpirole, which lacks D2 agonist activity. By activating D2 receptors, Quinpirole leads to a decrease in dopamine metabolites, a decrease in hypothalamic norepinephrine concentrations, and a possible increase in MHPG sulfate by enhancing norepinephrine release[1].

• HY-146135

  Tau-aggregation-IN-1	Agonist
  Tau-aggregation-IN-1 (Compound D-519) is a tau441 protein aggregation inhibitor with an IC50 of 21 µM. Tau-aggregation-IN-1 is also a dopamine D2 and D3 receptor agonist[1].

• HY-163703

  D4R antagonist-2	Antagonist
  D4R antagonist-2 (compound 33) is a D4R antagonist. D4R antagonist-2 has a IC50 value of 210 nM, and a Ki value of 59 nM for D4R. D4R antagonist-2 can be used in the Parkinson's disease research[1].

• HY-14782

  Adoprazine	Antagonist	98.60%
  Adoprazine (SLV313) is a full 5-HT1A receptor agonist with a pEC50 of 9 at cloned h5-HT1A receptors. Adoprazine (SLV313) is a full D2 and D3 receptor antagonist with pA2s of 9.3 and 8.9 at hD2 and hD3 receptors, respectively. Adoprazine (SLV313) has the characteristics of atypical antipsychotics[1].

• HY-123538

  GRK2 Inhibitor 1	Modulator	98.06%
  GRK2 Inhibitor 1 (methyl 5-[2-(5-nitro-2-furyl)vinyl]-2-furoate) is a GRK2 (β-ARK1) inhibitor[1].

• HY-169116

  D5R agonist 1	Agonist	98.63%
  D5R agonist 1 (Compound 5j) is a selective, orally active and BBB penetrable D5R partial agonist (EC50: 269.7 nM). D5R agonist 1 enhances the cognition in the Scopolamine (HY-N0296)-induced amnesia model[1].

• HY-116082

  CP 226269	Agonist	99.65%
  CP 226269 is a potent dopamine D4 receptor agonist that induces calcium flux with EC50 of 32.0 nM. CP 226269 can be used in the research of schizophrenia and other related diseases[1].

• HY-103404

  PNU-96415E	Antagonist
  PNU-96415E is a selective D4/5-HT2A antagonist. PNU-96415E may have potential antipsychotic efficacy[1].

• HY-101348R

  L-741626 (Standard)	Antagonist
  L-741626 (Standard) is the analytical standard of L-741626. This product is intended for research and analytical applications. L-741626 is a selective D2 dopamine receptor antagonist, with the Ki values of 2.4, 100 and 220 nM for human D2, D3 and D4 receptors respectively[1].

• HY-106781A

  OPC 4392 hydrochloride	Modulator	98.99%
  OPC 4392 hydrochloride is an agonist for presynaptic dopamine receptor and an antagonist for postsynaptic D2 receptor. OPC 4392 reverses the Reserpine (HY-N0480)-induced dopamine accumulation, inhibits Apomorphine (HY-12723)-induced stereotypic and climbing behaviors in mouse models[1].

• HY-15394

  (Rac)-Rotigotine hydrochloride	Agonist	98.66%
  (Rac)-Rotigotine hydrochloride is a racemate of Rotigotine. Rotigotine is a full agonist of?dopamine receptor, a partial agonist of the?5-HT1A receptor, and an antagonist of the?α2B-adrenergic receptor, with?Kis of 0.71?nM, 4-15?nM, and 83?nM for the dopamine D3 receptor and D2, D5, D4 receptors, and dopamine D1 receptor.

• HY-B0411A

  Domperidone monomaleate	Inhibitor	99.76%
  Domperidone (R33812) monomaleate is an orally active and selective dopamine-2 receptor antagonist. Domperidone monomaleate acts as an antiemetic and a prokinetic agent through its effects on the chemoreceptor trigger zone and motor function of the stomach and small intestine[1].

• HY-B0520AS1

  Benztropine-d3 mesylate
  Benztropine-d3 (mesylate) is the deuterium labeled Benztropine mesylate[1]. Benztropine mesylate (Benzatropine mesylate) is an orally active centrally acting anticholinergic agent that can be used for Parkinson's disease research. Benztropine mesylate is an anti-histamine agent and a dopamine re-uptake inhibitor. Benztropine mesylate is also a human D2 dopamine receptor allosteric antagonist. Benztropine mesylate also has anti-CSCs (cancer stem cells) effects[2][3].

• HY-W741575

  Iloperidone carboxylic acid	Ligand
  Iloperidone carboxylic acid (P95-12113) is the metabolite of Iloperidone (HY-17410). Iloperidone carboxylic acid exhibits good affinity for 5-HT2A receptor with pKi of 8.15, and moderate affinity for adrenergic receptor α1/α2B/α2C[1].

• HY-B0457AS

  Clomipramine-d3	Inhibitor
  Clomipramine-d3 is the deuterium labeled Clomipramine. Clomipramine is a serotonin transporter (SERT), norepinephrine transporter (NET) dopamine transporter (DAT) blocker with Ki of 0.14, 54 and 3 nM, respectively[1][2].

• HY-N15270

  S-Secoantioquine
  S-Secoantioquine (Secantioquine) is a bisbenzylisoquinoline alkaloid secoderivative. In the rat striate membrane experiment, S-Secoantioquine shows weak displacement activity on 3H-SCH 23390 binding site, and certain displacement activity on 3H-raclopride binding site[1].

• HY-101797R

  Veralipride (Standard)	Antagonist
  Veralipride (Standard) is the analytical standard of Veralipride. This product is intended for research and analytical applications. Veralipride is a D2 receptor antagonist. It is an alternative antidopaminergic treatment for menopausal symptoms.

• HY-W049881

  9-Methyl-β-carboline
  9-Methyl-β-carboline is a cognitive enhancer with neuroprotective, neurorestorative and anti-inflammatory properties. The behavioral effects of 9-Methyl-β-carboline may be related to the stimulation of hippocampal dopamine levels and dendritic and synaptic proliferation[1].

• HY-B0358

  Flunarizine	Antagonist	99.93%
  Flunarizine is a potent dual Na+/Ca2+ channel (T-type) blocker. Flunarizine is a D2 dopamine receptor antagonist. Flunarizine shows anticonvulsive and antimigraine activity, and peripheral vasodilator effects[1][2][3][4][5].

• HY-B0411

  Domperidone	Inhibitor	99.87%
  Domperidone (R33812) is an orally active and selective dopamine-2 receptor antagonist. Domperidone acts as an antiemetic and a prokinetic agent through its effects on the chemoreceptor trigger zone and motor function of the stomach and small intestine[1].

• HY-U00096

  Ansofaxine hydrochloride	Inhibitor	99.72%
  Ansofaxine hydrochloride (LY03005; LPM570065) is a triple reuptake inhibitor; inhibits serotonin, dopamine and norepinephrine reuptake with IC50 values of 723, 491 and 763 nM, respectively.

• HY-108056

  PF 219061	Agonist
  PF 219061 is an selective agonist for dopamine 3 receptor with an EC50 of 15 nM. PF 219061 exhibits a rapid absorption and a good liver blood clearance, and can be used for research of female sexual dysfunction[1].

• HY-101080

  3'-Fluorobenzylspiperone maleate
  3'-Fluorobenzylspiperone maleate is a ligand for dopamine D2 receptors with activity in improving behavioral disorders. 3'-Fluorobenzylspiperone maleate showed better inhibitory effects than placebo, especially in reducing behavioral disorders[1].

• HY-B0032R

  Lurasidone (Hydrochloride) (Standard)	Antagonist
  Lurasidone (Hydrochloride) (Standard) is the analytical standard of Lurasidone (Hydrochloride). This product is intended for research and analytical applications. Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.

• HY-10121

  Asenapine	Antagonist	99.62%
  Asenapine (Org 5222), an atypical antipsychotic, is an antagonist of serotonin receptors (pKi: 8.4-10.5), adrenoceptors (pKi: 8.9-9.5), dopamine receptors (pKi: 8.9-9.4) and histamine receptors (pKi: 8.2-9.0). Asenapine can be used in the research of schizophrenia and bipolar disorder[1][2].

• HY-14538S

  Haloperidol-d4
  Haloperidol-d4 is deuterium labeled haloperidol, and the latter is a potent dopamine D2 receptor antagonist.

• HY-B1693R

  Levomepromazine (Standard)	Antagonist
  Levomepromazine (Standard) is the analytical standard of Levomepromazine. This product is intended for research and analytical applications. Levomepromazine (Methotrimeprazine) is an orally active antipsychotic compound and Ca2+ release inducer. Levomepromazine inhibits SERCA pump and induces an increase in cytoplasmic Ca2+ levels. Levomepromazine has antagonistic effects on a variety of neurotransmitter receptors, including dopamine, cholinergic, serotonin, and histamine receptors. Levomepromazine can induce adaptive ER stress and autophagy. In addition, Levomepromazine has antiviral, anti-inflammatory, neuroprotective and analgesic, sedative and anti-injurious activities. Levomepromazine can be used in the study psychiatric disorders and relieving nausea and vomiting[1][2][3].

• HY-101349A

  L 741742 hydrochloride	Antagonist
  L 741742 hydrochloride is an orally active and selective antagonist of hD4 receptors. L 741742 hydrochloride has a good brain penetration. L 741742 hydrochloride can be used in study nervous system disorders, particularly schizophrenia[1].

• HY-128770

  LY3154207	Agonist	99.87%
  LY3154207 is a potent, subtype selective, and orally available human dopamine D1 receptor positive allosteric modulator (PAM) with minimal allosteric agonist activity (EC50=3 nM)[1].

• HY-W179151

  N-Octanoyl dopamine
  N-Octanoyl dopamine is superior to dopamine in protecting graft contractile function when administered to the heart transplant recipients from brain-dead donors. N-Octanoyl dopamine inhibits cytokine production in activated T-cells and diminishes MHC-class-II expression as well as adhesion molecules in IFNγ-stimulated endothelial cells[1][2].

• HY-A0077

  Perphenazine	Antagonist
  Perphenazine is an orally active dopamine receptor and histamine-1 receptor antagonist, with Ki values of 0.56 nM (D2), 0.43 nM (D3), 6 nM (5-HT2A), respectively. Perphenazine also binds to Alpha-1A adrenergic receptor. Perphenazine inhibits cancer cell proliferation, and induces apoptosis. Perphenazine can be used in the research of mental disease, cancer, inflammation[1][3][5].

• HY-B0411S

  Domperidone-d6	Inhibitor
  Domperidone-d6 is the deuterium labeled Domperidone. Domperidone (R33812) is a selective dopamine-2 receptor antagonist. Domperidone acts as an antiemetic and a prokinetic agent through its effects on the chemoreceptor trigger zone and motor function of the stomach and small intestine[1][2].

• HY-14541R

  Olanzapine (Standard)	Antagonist
  Olanzapine (Standard) is the analytical standard of Olanzapine. This product is intended for research and analytical applications. Olanzapine (LY170053) is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (Ki=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (Ki=11 to 31 nM), muscarinic M1-5 (Ki=1.9-25 nM), and adrenergic α1 receptor (Ki=19 nM). Olanzapine is an atypical antipsychotic[1][2].

• HY-107434

  Molindone	Antagonist
  Molindone ((±)-Molindone), an indole derivative, is a potent dopamine D2 and D5 receptor antagonist. Molindone ((±)-Molindone) can be used for the research of schizophrenia and severe mental illness[1][2].

• HY-12751S

  Trimethobenzamide-d6	Inhibitor
  Trimethobenzamide-d6 is deuterium labeled Trimethobenzamide. Trimethobenzamide is a blocker of the D2 receptor. Trimethobenzamide is an antiemetic used to prevent nausea and vomiting.

• HY-N1745

  2'-O-Methylisoliquiritigenin	Activator	98.44%
  2'-O-Methylisoliquiritigenin, isolated from the Arachis species, up-regulates 5-HT, NE, DA and GABA pathways, but does not put a very significant effect on ne NE pathway[1].

• HY-119980B

  Fluphenazine hydrochloride	Antagonist
  Fluphenazine hydrochloride is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine hydrochloride blocks neuronal voltage-gated sodium channels. Fluphenazine hydrochloride acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine hydrochloride can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine hydrochloride can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2[1][2][3][4][6].

• HY-B1077R

  Penfluridol (Standard)	Inhibitor
  Penfluridol (Standard) is the analytical standard of Penfluridol. This product is intended for research and analytical applications. Penfluridol (R-16341) is a potent, long-acting, first-generation, oral diphenylbutylpiperidine antipsychotic agent by targeting D2-like dopamine receptor. Penfluridol effectively inhibits TNFα-induced NF-κB activation and alleviates the severity of arthritis and colitis in vivo. Penfluridol is a Ca2+-calmodulin inhibitor. Penfluridol induces apoptosis and autophagy. Penfluridol is used for chronic schizophrenia, acute psychosis, Tourette syndrome and autoimmune diseases. Penfluridol inhibites the growth of E. faecalis planktonic cells with the MIC of 7.81 µg/ml[1][2][3][4].

• HY-12987S1

  Pimozide-d5 N-Oxide	Antagonist
  Pimozide-d5 N-Oxide is the deuterium labeled Pimozide. Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5[1][2].

• HY-114682

  Lenperone	Antagonist	98.11%
  Lenperone (AHR 2277 free base) has antipsychotic effect. Lenperone improves depressive symptoms[1].

• HY-14541A

  Olanzapine hydrochloride	Antagonist
  Olanzapine hydrochloride is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (Ki=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (Ki=11 to 31 nM), muscarinic M1-5 (Ki=1.9-25 nM), and adrenergic α1 receptor (Ki=19 nM). Olanzapine hydrochloride is an atypical antipsychotic[1][2].

• HY-W777345

  Moperone	Antagonist
  Moperone (R 1658) is an antagonist for D2 dopamine receptor and D3 dopamine receptor, with IC50 of 1.0 nM and 1.0 nM[1].

• HY-13575A

  Blonanserin dihydrochloride	Antagonist
  Blonanserin dihydrochloride is a potent and orally active 5-HT2A and dopamine D2 receptor antagonist, with Ki values of 0.812 and 0.142 nM, respectively. Blonanserin dihydrochloride is usually acts as an atypical antipsychotic agent, and can be used for the research of extrapyramidal symptoms, excessive sedation, or hypotension[1][2].

• HY-109157

  Ralmitaront		99.92%
  Ralmitaront (RO6889450) is an orally active agonist of trace amine-associated receptor 1 (TAAR1) with a EC50 value of 110.4 nM. Ralmitaront has antipsychotic, cognitively improvement, and antidepressant activity in rodents. Ralmitaront can be used as a neurosuppressant in the study of neuro-related diseases, such as schizophrenia (SCZ), schizoaffective disorder[1][2][3][4].

• HY-B0927

  Hydrastine	Inhibitor
  Hydrastine ((-)-β-Hydrastine; (1R,9S)-β-Hydrastine) is a selective competitive inhibitor of tyrosine hydroxylase (TH), inhibiting dopamine biosynthesis (IC50=20.7 μM, PC12 cells). Hydrastine also inhibits the organic cation transporter OCT1 (IC50=6.6 μM). Hydrastine may cause neuronal toxicity through mitochondrial dysfunction rather than oxidative stress damage, and can aggravate cell apoptosis when combined with L-DOPA. Hydrastine can be used to study Parkinson's disease-related dopaminergic neuronal damage[1][2].

• HY-118956

  Adrogolide hydrochloride	Agonist	98.01%
  Adrogolide hydrochloride (ABT-431 hydrochloride) is a chemically stable prodrug that can convert to the dopamine D1 receptor agonist A-86929. Adrogolide hydrochloride ameliorates the MPTP (HY-15608)-induced Parkinson's Disease in marmoset model, reduces the dyskinesias tendency. Adrogolide hydrochloride reverses Risperidone (HY-11018)-induced cognitive deficits in monkey[1].

• HY-B0032A

  Lurasidone	Antagonist	99.49%
  Lurasidone (SM-13496) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (SM-13496) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.

• HY-111155

  RBI-257 maleate	Antagonist
  RBI-257 maleate is a potent dopamine D4 receptor antagonist with a Ki value of 0.3 nM[1].

• HY-14538B

  Haloperidol lactate	Antagonist
  Haloperidol lactate is a potent antipsychotic agent. Haloperidol lactate can be used in acute and chronic schizophrenia and gilles de la tourette's syndrome. Haloperidol lactate has the potential for the research of psychotic disorders[1][2].

• HY-12707B

  Piribedil maleate	Agonist
  Piribedil maleate is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil maleate is also a α2-adrenoceptors antagonist. Piribedil maleate can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil maleate has the potential for the research of parkinson's disease, circulatory disorders, cancers[1][2][3][4].

• HY-129103

  A-412997	Agonist
  A-412997 is a selective Dopamine D4 agonist with Ki values of 12 and 7.9 nM for the rat and human receptors. A-412997 improves short term memory and cognitive properties in rodent models[1].

• HY-103109

  Melperone hydrochloride	Antagonist
  Melperone hydrochloride is a butyrophenone with atypical antipsychotic properties. Melperone hydrochloride is a multireceptor antagonist with Kds of 102 nM, 180 nM, 180 nM, and 150 nM for 5-HT2A, dopamine D2, α1-adrenergic, and α2-adrenergic receptors, respectively. Melperone hydrochloride has weak binding to histamine H1, 5-HT2C, 5-HT1A, 5-HT1D, and muscarinic receptors, with Kd values ​​of 580 nM, 2100 nM, 2200 nM, 3400 nM, >10000 nM, respectively. Melperone hydrochloride is also a CYP2D6 inhibitor. Melperone hydrochloride can be used for the study of schizophrenia, and agitation in the elderly[1][2][3][4].

• HY-W681014

  5-Fluoro-α-methyltryptamine hydrochloride
  5-Fluoro-α-methyltryptamine hydrochloride may cause an increase in intracellular levels of 5-HT followed by an increase in 5-HT release. 5-Fluoro-α-methyltryptamine hydrochloride exhibits EC50 values of 37 nM, 14 nM, 78 nM and 8.47 nM for DA, 5HT, NE and 5-HT2A, respectively[1][2].

• HY-B0520

  Benztropine	Inhibitor
  Benztropine (Benzatropine; Benzotropine) is an orally active centrally acting anticholinergic agent that can be used for Parkinson's disease research[1]. Benztropine is an anti-histamine agent and a dopamine re-uptake inhibitor. Benztropine is also a human D2 dopamine receptor allosteric antagonist. Benztropine mesylate also has anti-CSCs (cancer stem cells) effects[2].

• HY-14763S1

  Cariprazine-d8	Modulator	99.51%
  Cariprazine-d8 is a deuterium labeled Cariprazine. Cariprazine is a novel antipsychotic agent candidate that exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (Ki=0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (Ki=2.6 nM).

• HY-14325A

  L-745870 trihydrochloride	Antagonist
  L-745870 trihydrochloride is a potent, selective, brain-penetrant and orally active dopamine D4 receptor antagonist with a Ki of 0.43 nM. L-745870 trihydrochloride shows weaker affinity for D2 (Ki of 960 nM) and D3 (Ki of 2300 nM) receptors, and exhibits moderate affinity for 5-HT2 receptors, sigma sites and α-adrenoceptors[1][2][3].

• HY-W342779

  4-Bromoamphetamine hydrochloride
  4-Bromoamphetamine hydrochloride is an amphetamine derivative which acts as a serotonin-norepinephrine-dopamine releasing agent (SNDRA) and produces stimulant effects. 4-Bromoamphetamine hydrochloride is highly neurotoxic, producing long-term depletion of serotonin[1].

• HY-14545A

  Amisulpride hydrochloride	Antagonist
  Amisulpride hydrochloride is a dopamine D2/D3 receptor antagonist with Kis of 2.8 and 3.2 nM for human dopamine D2 and D3, respectively.

• HY-B0965

  Thioridazine hydrochloride	Antagonist	99.96%
  Thioridazine hydrochloride, an orally active antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine hydrochloride is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine hydrochloride shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs)[1][2][3][4].

• HY-70081A

  Sumanirole maleate	Agonist	99.78%
  Sumanirole maleate (U-95666E; PNU-95666E) is a highly selective D2 receptor full agonist with an ED50 of about 46 nM. Sumanirole plays an important role in the research of Parkinson's disease and restless leg syndrome[1].

• HY-122979

  (+)-Butaclamol hydrochloride
  (+)-Butaclamol hydrochloride is a neuroleptic agent with dopamine receptor-blocking activity. (+)-Butaclamol hydrochloride is (+)- enantiomer of butaclamol[1].

• HY-19654C

  (-)-GSK598809 hydrochloride	Antagonist	99.64%
  (-)-GSK598809 is an isomer of GSK598809. GSK598809 is a potent and selective dopamine D3 Receptor (DRD3) antagonist.

• HY-116578S

  Metopimazine-d6	Antagonist
  Metopimazine-d6 (EXP999-d6; RP9965-d6) is the deuterium labeled Metopimazine (HY-116578). Metopimazine (EXP999; RP9965) is a phenothiazine, orally available, selective dopamine D2 receptor antagonist that does not penetrate the blood-brain barrier. Metopimazine blocks dopamine D2 receptors in the chemoreceptor trigger zone and the periphery, thereby inhibiting nausea and vomiting. Metopimazine is indicated for chemotherapy-induced nausea and vomiting, and has low central side effects due to its poor brain penetration. The use of metopimazine in acute gastroenteritis may have potential risks[1][2][3][4].

• HY-101747A

  ADR 851	Antagonist
  ADR 851 is a dopamine D2 receptor antagonist,and can be used in research on antiemetics[1].

• HY-101094

  Ocaperidone	Antagonist	99.93%
  Ocaperidone is an effective antipsychotic agent, acting as a potent 5-HT2 and dopamine D2 antagonist, and a 5-HT1A agonist, with Kis of 0.14 nM, 0.46 nM, 0.75 nM, 1.6 nM and 5.4 nM for 5-HT2, a1-adrenergic receptor, dopamine D2, histamine H1 and a2-adrenergic receptor, respectively, and a pEC50 and pKi of 7.60 and 8.08 for h5-HT1A.

• HY-121650A

  ADTN hydrobromide		98.0%
  ADTN hydrobromide is a long-acting dopamine agonist. ADTN hydrobromide significantly decreases the behavioral visual threshold of DA-IPC-depleted zebrafish[1].

• HY-101382

  GR 103691	Antagonist
  GR 103691 is a potent, selective dopamine D3 receptor antagonist with a Ki value of 0.4 nM. GR 103691 shows more than 100-fold selectivity for human dopamine human (h)D3 over hD4 and hD1 sites[1].

• HY-14542

  Ziprasidone	Antagonist	99.81%
  Ziprasidone (CP-88059), an orally active antipsychotic agent, is a combined 5-HT and dopamine receptor antagonist[1]. Ziprasidone mesylate trihydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM)[1].

• HY-10121R

  Asenapine (Standard)	Antagonist
  Asenapine (Standard) is the analytical standard of Asenapine. This product is intended for research and analytical applications. Asenapine (Org 5222), an atypical antipsychotic, is an antagonist of serotonin receptors (pKi: 8.4-10.5), adrenoceptors (pKi: 8.9-9.5), dopamine receptors (pKi: 8.9-9.4) and histamine receptors (pKi: 8.2-9.0). Asenapine can be used in the research of schizophrenia and bipolar disorder[1][2].

• HY-21098

  PD-168077	Agonist
  PD-168077 is a selective dopamine D4 receptor agonist, with a Ki of 9 nM[1].

• HY-129946

  Dopamine D2 receptor antagonist-1	Antagonist	99.06%
  Dopamine D2 receptor antagonist-1 is a negative allosteric modulator (NAM) of the dopamine D2 receptor (D2R) with sub-mM affinity[1].

• HY-A0007R

  Rotigotine (Hydrochloride) (Standard)	Agonist
  Rotigotine (Hydrochloride) (Standard) is the analytical standard of Rotigotine (Hydrochloride). This product is intended for research and analytical applications. Rotigotine Hydrochloride (N-0923 Hydrochloride) is a full agonist of dopamine receptor, a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor, with Ki of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors, and dopamine D1 receptor.

• HY-13575R

  Blonanserin (Standard)	Antagonist
  Blonanserin (Standard) is the analytical standard of Blonanserin. This product is intended for research and analytical applications. Blonanserin (AD-5423) is a potent and orally active 5-HT2A (Ki=0.812 nM) and dopamine D2 receptor (Ki =0.142 nM) antagonist. Blonanserin is usually acts as an atypical antipsychotic agent and can be used for the research of extrapyramidal symptoms, excessive sedation, or hypotension[1].

• HY-149481

  D4R agonist-1	Agonist
  D4R agonist-1 (Compound 16f) is a D4R partial agonist (Ki: 2.2 nM). D4R agonist-1 is metabolically stable in rat and human liver microsomes. D4R agonist-1 can be used for research of neuropsychiatric disorders[1].

• HY-12751A

  Trimethobenzamide hydrochloride	Inhibitor	99.92%
  Trimethobenzamide hydrochloride is a blocker of the D2 receptor. Trimethobenzamide is an antiemetic used to prevent nausea and vomiting.

• HY-17637

  Lumateperone		99.83%
  Lumateperone (ITI-007) is an orally active 5-HT2A receptor antagonist (Ki = 0.54 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki = 32 nM), and a dopamine D1 receptor modulator. Lumateperone has anticancer activity and can also be used for the study of schizophrenia and bipolar depression[1][2][3].

• HY-15856BR

  Flupentixol dihydrochloride (Standard)	Antagonist
  Flupentixol (dihydrochloride) (Standard) is the analytical standard of Flupentixol (dihydrochloride). This product is intended for research and analytical applications. Flupentixol is an orally active D1/D2 dopamine receptor antagonist and new PI3K inhibitor (PI3Kα IC50=127 nM). Flupentixol shows anti-proliferative activity to cancer cells and induces apoptosis. Flupentixol can also be used in schizophrenia, anxiolytic and depressive research[1][2][3].

• HY-15780A

  Brexpiprazole hydrochloride	Agonist
  Brexpiprazole (OPC-34712) hydrochloride, an atypical orally active antipsychotic agent, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole hydrochloride is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole hydrochloride also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM)[1][2].

• HY-B1196A

  Tiapride	Antagonist
  Tiapride is a selective and orally active D2 and D3 dopamine receptors antagonist with IC50 values of 110-320 nM and 180 nM, respectively. Tiapride shows anti-dyskinetic activity and anxiolytic activity. Tiapride is a neuroleptic agent[1][2].

• HY-149387

  D3R/MOR antagonist 2	Antagonist
  D3R/MOR antagonist 2 (Compound 121) is a D3R/MOR antagonist (Ki: 361 nM and 85.2 nM respectively). D3R/MOR antagonist 2 has the potential to produce analgesic effects through MOR partial agonism, reduce opioid-misuse liability via D3R antagonism[1].

• HY-17390R

  Loxapine (Standard)	Inhibitor
  Loxapine (Standard) is the analytical standard of Loxapine. This product is intended for research and analytical applications. Loxapine is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent[1][4].

• HY-120920

  UNC9995	Agonist	99.38%
  UNC9995 is a β-arrestin2-biased agonist of dopamine receptor Drd2. UNC9995 inhibits NLRP3 inflammasome activation by enhancing β-arrestin2-NLRP3 interaction, thus prevents neuronal degeneration. Futhermore, UNC9995 activates the Drd2/β-arrestin2 signaling to prevent inflammation-related genes transcription-induced by JAK/STAT3. UNC9995 improves depressive behavior in mouse model, and improves astrocytes dysfunctions[1].

• HY-B0407AR

  Chlorpromazine (hydrochloride) (Standard)	Antagonist
  Chlorpromazine (hydrochloride) (Standard) is the analytical standard of Chlorpromazine (hydrochloride). This product is intended for research and analytical applications. Chlorpromazine hydrochloride is an orally active, blood-brain barrier-transparent antipsychotic agent that effectively antagonises D2 dopamine receptors and 5-HT2A, which is widely used in schizophrenia and other psychiatric disorders. Chlorpromazine hydrochloride exerts anti-cancer activity through a variety of pathways, including anti-proliferation, induction of autophagy and cycle arrest (G2-M phase), inhibition of cytochrome c oxidase (CcO), inhibition of tumour growth and metastasis, and inhibition of tumour immune escape. Chlorpromazine hydrochloride also blocks hNav1.7 channels (IC50=25.9 μM; concentration-dependent) and HERG potassium channels (IC50=21.6 μM), which has potential for analgesic and cardiac arrhythmic studies. Chlorpromazine hydrochloride also can inhibit clathrin-mediated endocytosis[1][2][3][4][5].

• HY-133152S

  Brexpiprazole S-oxide-d8	Agonist	98.72%
  Brexpiprazole S-oxide-d8 is a deuterium labeled Brexpiprazole S-oxide. Brexpiprazole S-oxide is a main metabolite of Brexpiprazole and is metabolized by cytochrome P450 3A4 (CYP3A4). Brexpiprazole is an atypical antipsychotic agent and a partial agonist of human 5-HT1A and dopamine receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM[1][2][3].

• HY-B2169R

  Melperone (Standard)	Antagonist
  Melperone (Standard) is the analytical standard of Melperone (HY-B2169). This product is intended for research and analytical applications. Melperone is a butyrophenone with atypical antipsychotic properties. Melperone is a multireceptor antagonist with Kds of 102 nM, 180 nM, 180 nM, and 150 nM for 5-HT2A, dopamine D2, α1-adrenergic, and α2-adrenergic receptors, respectively. Melperone has weak binding to histamine H1, 5-HT2C, 5-HT1A, 5-HT1D, and muscarinic receptors, with Kd values ​​of 580 nM, 2100 nM, 2200 nM, 3400 nM, >10000 nM, respectively. Melperone is also a CYP2D6 inhibitor. Melperone can be used for the study of schizophrenia, and agitation in the elderly.

• HY-14327

  FAUC 213	Antagonist	99.86%
  FAUC 213 is an orally active and highly selective dopamine D4 receptor complete antagonist with a Ki of 2.2 nM for hD4.4. FAUC 213 has less activity on D2 and D3 receptors (Kis of 3.4 μM, 5.3 μM for hD2, hD3, respectively). FAUC 213 can cross the blood-brain barrier (BBB). FAUC 213 exhibits atypical antipsychotic characteristic[1].

• HY-B2169S2

  Melperone-d4 hydrochloride	Antagonist	99.84%
  Melperone-d4 hydrochloride is the deuterium labeled Melperone hydrochloride (HY-103109)[1]. Melperone hydrochloride is a butyrophenone with atypical antipsychotic properties. Melperone hydrochloride is a multireceptor antagonist with Kds of 102 nM, 180 nM, 180 nM, and 150 nM for 5-HT2A, dopamine D2, α1-adrenergic, and α2-adrenergic receptors, respectively. Melperone hydrochloride has weak binding to histamine H1, 5-HT2C, 5-HT1A, 5-HT1D, and muscarinic receptors, with Kd values ​​of 580 nM, 2100 nM, 2200 nM, 3400 nM, >10000 nM, respectively. Melperone hydrochloride is also a CYP2D6 inhibitor. Melperone hydrochloride can be used for the study of schizophrenia, and agitation in the elderly[2][3][4][5].

• HY-124270

  Sibenadet hydrochloride	Agonist
  Sibenadet hydrochloride (AR-C68397AA) is a dual D2 dopamine receptor, beta2-adrenoceptor agonist with bronchodilator activity. Investigation in animal models of key chronic obstructive pulmonary disease (COPD) symptoms has demonstrated that Sibenadet hydrochloride effectively inhibits sensory nerve activity, thereby reducing reflex cough, mucus production and tachypnoea.

• HY-116941

  A-381393	Antagonist	99.92%
  A-381393 is a potent, selective, brain penetrate dopamine D4 receptor antagonist, with Kis of 1.5, 1.9 and 1.6 nM for human dopamine D4.4, D4.2, and D4.7 receptor, respectively, >2700-fold selectivity over D1, D2, D3 and D5 dopamine receptors. A-381393 shows moderate affinity for 5-HT2A (Ki, 370 nM)[1].

• HY-19262

  TAK-218	Inhibitor
  TAK-218 is a promising candidate as an agent tor central nervous system trauma and ischemia. TAK-218 exhibits potent scavenging activity and antioxidative activity. TAK-218 also inhibits dopamine release[1].

• HY-17410A

  Iloperidone hydrochloride	Antagonist
  Iloperidone hydrochloride (HP 873 hydrochloride) is a D2/5-HT2 receptor antagonist. Iloperidone hydrochloride is an atypical antipsychotic for the schizophrenia symptoms[1][2].

• HY-12987S

  Pimozide-d4	Antagonist
  Pimozide-d4 is a deuterium labeled Pimozide. Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5[1][2][3].

• HY-111242

  SV 156	Antagonist
  SV 156 is a potent and selective D2 dopamine receptor antagonist, with a Ki of 2.5 nM for hD2. SV 156 has approximately 40-fold binding selectivity for D2 dopamine receptors compared to the D3 receptor subtype. SV 156 can be used for L-DOPA (HY-N0304)-associated abnormal involuntary movements (AIMs) research[1].

• HY-B1081

  Oxidopamine hydrochloride	Antagonist
  Oxidopamine (6-OHDA) hydrochloride is an antagonist of the neurotransmitter dopamine. Oxidopamine hydrochloride is a widely used neurotoxin and selectively destroys dopaminergic neurons. Oxidopamine hydrochloride promotes COX-2 activation, leading to PGE2 synthesis and pro-inflammatory cytokine IL-1β secretion. Oxidopamine hydrochloride can be used for the research of Parkinson’s disease (PD), attention-deficit hyperactivity disorder (ADHD), and Lesch-Nyhan syndrome[1][2][3][4].

• HY-119768

  (±)-BAK2-66	Antagonist
  (±)-BAK2-66 is a selectivity dopamine D3 receptor antagonist with theKi values of 1nM and 960 nM for D3R and D2R, respectively. (±)-BAK2-66 can be used for study in animal models of addiction[1].

• HY-101313

  (S)-Remoxipride	Antagonist
  (S)-Remoxipride ((-)-Remoxipride) is a selective dopamine D2-receptor antagonist with an IC50 value of 1.57 μM. (S)-Remoxipride can be used for the research of psychotic disorder[1].

• HY-B0451AS6

  Dopamine-13C,15N hydrochloride	Activator
  Dopamine-13C,15N (hydrochloride) is the 13C and 15N labeled Dopamine hydrochloride[1].

• HY-171472

  A-86929	Agonist
  A-86929 is a highly potent and selective dopamine D1 receptor agonist with a pKi value of 7.3. In the 6-OHDA (HY-B1081)-induced unilateral nigrostriatal lesion rat model, A-86929 significantly induces rotational behavior. It also improves motor function in the MPTP (HY-15608)-induced Parkinson's disease marmoset model. Additionally, A-86929 demonstrates potential therapeutic value in reducing cocaine-seeking behavior in rats and reversing Haloperidol (HY-14538)-induced cognitive deficits in rhesus monkeys. A-86929 can be used for research in neurological disorders[1].

• HY-13720AS

  Pergolide-d7 mesylate	Agonist
  Pergolide-d7 (mesylate) is the deuterium labeled Pergolide mesylate. Pergolide mesylate (Pergolide methanesulfonate), an Ergoline derivative, is a potent and orally active dopamine D1 and D2 receptors agonist. Pergolide mesylate can be used for Parkinson's disease and hyperprolactinaemia research[1][2].

• HY-B0623AR

  Ropinirole (hydrochloride) (Standard)	Agonist
  Ropinirole (hydrochloride) (Standard) is the analytical standard of Ropinirole (hydrochloride). This product is intended for research and analytical applications. Ropinirole (SKF 101468) hydrochloride is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole hydrochloride has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole hydrochloride has no affinity for the D1 receptors. Ropinirole hydrochloride has the potential for Parkinson's disease[1][2].

• HY-106660

  BP 897 hydrochloride	Modulator	99.84%
  BP 897 hydrochloride is a potent and partial dopamine D3 receptor agonist and a weak D2 receptor antagonist. BP 897 hydrochloride displays a high affinity at the dopamine D3 receptor (Ki=0.92 nM) and a 70 times lower affinity at the D2 receptor (Ki=61 nM)[1].

• HY-B0031S3

  Quetiapine-d8 hemifumarate	Antagonist
  Quetiapine-d8 (hemifumarate) is the deuterium labeled Quetiapine hemifumarate. Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1].

• HY-149336

  D1R antagonist 1	Antagonist
  D1R antagonist 1 (compound 12a) is a D1R antagonist, involved in G-protein- and β-arrestin-based signaling[1].

• HY-116495

  (-)-OSU6162	Antagonist
  (-)-OSU6162 (PNU-96391) is a presynaptic dopamine receptor antagonist[1].

• HY-171328

  RG-15	Antagonist
  RG-15 is the orally active antagonist for dopamine receptor that exhibits goof affinity to human D2 receptor and human D3 receptor with pKi of 8.23 and 10.49. RG-15 inhibits dopamine-stimulated [35S]GTPγS binding with IC50 of 21.2 nM (rat striatal membranes), 36.7 nM (mouse A9 cells expressing human D2L receptors) and 7.2 nM (CHO cells expressing human D3 receptors). RG-15 increases the turnover and biosynthesis of dopamine in mouse striatum and olfactory bulb, exhibiting antipsychotic activity[1].

• HY-138809

  FAUC 346	Agonist	99.90%
  FAUC 346, a highly selective D3 partial agonist (EC50 = 1.5 nM)[1][2].

• HY-16771B

  Valbenazine dihydrochloride	Inhibitor
  Valbenazine (NBI-98854) dihydrochloride is a VMAT2 inhibitor, used to treat tardive dyskinesia. Valbenazine dihydrochloride demonstrates potential benefit in alleviating symptoms associated with movement disorders resulting from chronic dopamine receptor blocking medications. Valbenazine dihydrochloride has been supported by evidence from preclinical models examining its role in the genetic factors linked to tardive dyskinesia.

• HY-W016388

  9-Fluorenol	Inhibitor
  9-Fluorenol (9-Hydroxyfluorene; compound 3) is a dopamine (DAT) inhibitor with IC50 value of 9 µM. 9-Fluorenol is a major metabolite of compound developed as a wake promoting agent. 9-Fluorenol shows wake promotion activity in vivo[1].

• HY-137332

  N-Methylspiroperidol	Antagonist
  N-Methylspiroperidol is a D2 receptor antagonist. N-Methylspiroperidol can be labeled as [18F]N-Methylspiroperidol and used in PET (Positron Emission Tomography) to study how it binds to the 5-HT2C receptor and the competition and effects of neurotransmitters like dopamine on these receptors[1].

• HY-B0031R

  Quetiapine (hemifumarate) (Standard)	Antagonist	99.87%
  Quetiapine (hemifumarate) (Standard) is the analytical standard of Quetiapine (hemifumarate). This product is intended for research and analytical applications. Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1].

• HY-17382AR

  Metoclopramide (hydrochloride hydrate) (Standard)	Antagonist
  Metoclopramide (hydrochloride hydrate) (Standard) is the analytical standard of Metoclopramide (hydrochloride hydrate). This product is intended for research and analytical applications. Metoclopramide hydrochloride hydrate is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide hydrochloride hydrate can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis[1][2].

• HY-101299A

  Dihydrexidine	Agonist
  Dihydrexidine (DAR-0100) is a high potent, selective and full efficacy D1-like dopamine receptor (D1/D5) agonist with an IC50 of 10 nM for D1 receptor. Dihydrexidine exhibits potent antiparkinsonian activity[1][2][3][4]. Dihydrexidine can stimulate YAP phosphorylation[5].

• HY-19545

  SCH-23390	Antagonist
  SCH-23390 is a dopamine D1-like receptor antagonist (with Ki values of 0.2 nM and 0.3 nM for the D1 and D5 receptor subtypes, respectively). SCH-23390 can shorten the latency period for cocaine-induced lever pressing behavior in rats. SCH-23390 can also eliminate generalized seizures caused by chemical convulsants, such as arecoline (HY-B0726A) and strychnine, and is used in research on neurological disorders related to the dopamine system[1][2].

• HY-B0731R

  Perospirone (hydrochloride) (Standard)	Antagonist
  Perospirone (hydrochloride) (Standard) is the analytical standard of Perospirone (hydrochloride). This product is intended for research and analytical applications. Perospirone hydrochloride (SM-9018) is an orally active antagonist of 5-HT2A receptor (Ki of 0.6 nM) and dopamine D2 receptor (Ki of 1.4 nM). Perospirone hydrochloride is also a partial agonist of 5-HT1A receptor (Ki of 2.9 nM). Perospirone hydrochloride is an atypical antipsychotic agent and has the potential for schizophrenic disease research[1][2].

• HY-U00185

  A-437203	Antagonist	99.08%
  A-437203 is a selective D3 receptor antagonist with Ki of 71, 1.6, and 6220 nM for D2, D3, and D4 receptors, respectively.

• HY-103424

  A-412997 dihydrochloride	Agonist
  A-412997 dihydrochloride is a selective dopamine D4 receptor agonist. A-412997 dihydrochloride improves cognitive performance in rats and can be used in the research of psychiatric diseases[1].

• HY-118997

  PD-89211	Antagonist
  PD-89211 is a selective dopamine D4 receptor antagonist with a Ki value of 3.7 nM. PD-89211 reverses Quinpirole (HY-B1752A)-induced [3H]thymidine uptake in CHOpro5 cells (IC50 = 2.1 nM). PD-89211 regulates dopamine/norepinephrine metabolism in the hippocampus and can be used for research on central nervous system disorders such as schizophrenia[1].

• HY-B0032

  Lurasidone Hydrochloride	Antagonist	99.96%
  Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.

• HY-19005

  GYKI-32887	Agonist
  GYKI-32887 is a dopaminergic agonist that can reduce the motor activity levels in rats[1].

• HY-110010

  Nafadotride	Antagonist
  Nafadotride is a dopamine D3 receptor antagonist. Nafadotrode regulates dopamine signaling primarily by antagonizing dopamine D3 receptors. The dopamine D3 receptor plays an important role in regulating emotion, motivation, reward, and certain motor functions. By blocking these receptors, Nafadotrode may affect neurotransmission processes associated with these functions. Nafadotrode can be used to explore the role of dopamine D3 receptors in various behavioral and neuropsychiatric disorders[1].

• HY-145454A

  Preclamol	Agonist
  Preclamol is a dopamine (DA) agonist with autoreceptor as well as postsynaptic receptor stimulatory properties. Preclamol inhibits the locomotor activity of mice and rats in low doses[1].

• HY-12520B

  (R)-SKF 38393 hydrochloride	Antagonist
  (R)-SKF 38393 ((±)-SKF-38393) hydrochloride is a potent and selective D1 dopamine receptor antagonist. (R)-SKF 38393 hydrochloride inhibits G protein-coupled inwardly rectifying potassium (GIRK) channel[1].

• HY-B0520AR

  Benztropine (mesylate) (Standard)	Inhibitor
  Benztropine (mesylate) (Standard) is the analytical standard of Benztropine (mesylate). This product is intended for research and analytical applications. Benztropine mesylate (Benzatropine mesylate) is an orally active centrally acting anticholinergic agent that can be used for Parkinson's disease research. Benztropine mesylate is an anti-histamine agent and a dopamine re-uptake inhibitor. Benztropine mesylate is also a human D2 dopamine receptor allosteric antagonist. Benztropine mesylate also has anti-CSCs (cancer stem cells) effects[1][2].

• HY-17366A

  Clozapine N-oxide dihydrochloride	Antagonist	99.74%
  Clozapine N-oxide dihydrochloride is a major metabolite of Clozapine and a human muscarinic designer receptors (DREADDs) agonist. Clozapine N-oxide dihydrochloride activates the DREADD receptor hM3Dq and hM4Di. Clozapine N-oxide dihydrochloride can cross the blood-brain barrier[1][2][3][4]. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist[5][6].

• HY-12987

  Pimozide	Antagonist	99.91%
  Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5.

• HY-105112

  Carmoxirole	Agonist
  Carmoxirole (EMD 45609) is a selective, peripherally acting dopamine D2 receptor agonist and exhibits antihypertensive activities in vivo[1].

• HY-14827

  Zicronapine	Antagonist
  Zicronapine is an antipsychotic medication with a strong pro-cognitive effect in animal models and the potential to treat a number of neurological and psychiatric diseases. Zicronapine has potent antagonistic effects at dopamine D1/D2, and serotonin 5-HT2A receptors.

• HY-B0032AS

  Lurasidone-d8	Antagonist
  Lurasidone-d8 is deuterium labeled Lurasidone. Lurasidone (SM-13496) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (SM-13496) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.

• HY-12987S2

  Pimozide-d4-1	Inhibitor
  Pimozide-d4-1 is the deuterium labeled Pimozide. Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5[1][2][3][4].

• HY-12236B

  (R)-SKF-81297 hydrobromide	Agonist
  (R)-SKF-81297 hydrobromide is the R-enantiomer of SKF-81297 (HY-12236A). SKF-81297 is a selective agonist for dopamine D1 receptor[1].

• HY-160997

  Prosulpride	Inhibitor
  Prosulpride (GRI 1665), a neuroleptics, can block selectively dopaminergic receptor[1].

• HY-B0274R

  Chlorprothixene (Standard)	Antagonist
  Chlorprothixene (Standard) is the analytical standard of Chlorprothixene. This product is intended for research and analytical applications. Chlorprothixene is a dopamine and histamine receptors antagonist with Kis of 18 nM, 2.96 nM, 4.56 nM, 9 nM and 3.75 nM for hD1, hD2, hD3, hD5 and hH1 receptors, respectively. Antipsychotic activity[1].

• HY-126635

  Mafoprazine	Antagonist
  Mafoprazine is a phenylpiperazine derivative with variable affinities for neuronal receptors. It may exert its antipsychotic effects primarily through D2 receptor blockade and α-adrenergic activity, and may increase the activity of dopamine metabolites.

• HY-14538S2

  Haloperidol-d4 N-Oxide	Antagonist
  Haloperidol-d4 N-Oxide is the deuterium labeled Haloperidol. Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic[1][2].

• HY-13720A

  Pergolide mesylate	Agonist	99.98%
  Pergolide mesylate (Pergolide methanesulfonate), an Ergoline derivative, is a potent and orally active dopamine D1 and D2 receptors agonist. Pergolide mesylate can be used for Parkinson's disease and hyperprolactinaemia research[1][2].

• HY-B0965R

  Thioridazine (hydrochloride) (Standard)	Antagonist
  Thioridazine (hydrochloride) (Standard) is the analytical standard of Thioridazine (hydrochloride). This product is intended for research and analytical applications. Thioridazine hydrochloride, an orally active antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine hydrochloride is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine hydrochloride shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs)[1][2][3][4].

• HY-12713

  Lisuride	Agonist	99.85%
  Lisuride is an orally active dopamine D2 receptors agonist. Lisuride, as an ergot derivative, can be used for the research of Parkinson's disease, migraine, and high prolactin levels[1][2].

• HY-121870A

  Dimethocaine hydrochloride		99.36%
  Dimethocaine (Larocaine) hydrochloride is distributed and consumed as "new psychoactive substance" (NPS) without any safety testing[1]

• HY-A0077R

  Perphenazine (Standard)	Antagonist
  Perphenazine (Standard) is the analytical standard of Perphenazine. This product is intended for research and analytical applications. Perphenazine is an orally active dopamine receptor and histamine-1 receptor antagonist, with Ki values of 0.56 nM (D2), 0.43 nM (D3), 6 nM (5-HT2A), respectively. Perphenazine also binds to Alpha-1A adrenergic receptor. Perphenazine inhibits cancer cell proliferation, and induces apoptosis. Perphenazine can be used in the research of mental disease, cancer, inflammation[1][3][5].

• HY-105435

  FR121196
  FR121196 is a cognitive enhancer, and ameliorates Scopolamine (HY-N0296)-induced memory deficit. FR121196 is an antidementia compound[1][2].

• HY-13575S

  Blonanserin-d8	Antagonist
  Blonanserin-d8 is a deuterium labeled Blonanserin. Blonanserin is a dopamine D2/5-HT2 receptor antagonist and an atypical antipsychotic[1][2].

• HY-U00400

  PF-592379	Agonist
  PF-592379 is a potent dopamine D3 receptor agonist with an EC50 of 21 nM.

• HY-12751AR

  Trimethobenzamide (hydrochloride) (Standard)	Inhibitor
  Trimethobenzamide (hydrochloride) (Standard) is the analytical standard of Trimethobenzamide (hydrochloride). This product is intended for research and analytical applications. Trimethobenzamide hydrochloride is a blocker of the D2 receptor. Trimethobenzamide is an antiemetic used to prevent nausea and vomiting.

• HY-103414R

  Raclopride (Standard)	Antagonist
  Raclopride (Standard) is the analytical standard of Raclopride. This product is intended for research and analytical applications. Raclopride is a dopamine D2/D3 receptor antagonist with potential antipsychotic effects. Raclopride binds to D2 and D3 receptors with Kis of 1.8 nM and 3.5 nM, respectively[1][2].

• HY-103425

  JHW007 hydrochloride	Antagonist
  JHW007 hydrochloride is the hydrochloride of JHW007. JHW007 is an antagonist of cocaine[1].

• HY-108400

  SCH-23390 maleate	Antagonist
  SCH-23390 maleate (R-(+)-SCH-23390 maleate) is a potent and selective dopamine D1-like receptor antagonist with Kis of 0.2 nM and 0.3 nM for the D1 and D5 receptor, respectively. SCH-23390 maleate is a potent and high efficacy human 5-HT2C receptor agonist with a Ki of 9.3 nM. SCH-23390 maleate also binds with high affinity to the 5-HT2 and 5-HT1C receptors. SCH-23390 maleate inhibits G protein-coupled inwardly rectifying potassium (GIRK) channels with an IC50 of 268 nM[1][2][3].

• HY-17355A

  Dexpramipexole dihydrochloride	Agonist
  Dexpramipexole dihydrochloride ((R)-Pramipexole dihydrochloride) is a neuroprotective agent and weak non-ergoline dopamine agonist.

• HY-103406

  PNU-177864	Antagonist
  PNU-177864 is a potent, selective, orally active dopamine D3 receptor antagonist. PNU-177864 induces phospholipid metabolism in vivo and has anti-schizophrenia activity[1][2][3].

• HY-10349R

  WAY-100635 (Standard)	Agonist
  WAY-100635 (Standard) is the analytical standard of WAY-100635. This product is intended for research and analytical applications. WAY-100635 is a potent and selective 5-HT1A Receptor antagonist with a pIC50 of 8.87, an apparent pA2 of 9.71. WAY-100635 is a potent and selective 5-hydroxytryptamine 1A (5-HT1A) receptor antagonist with an IC50 value of 0.91 nM and Ki value of 0.39 nM. WAY-100635 has pIC50 values for 5-HT1A and α1-adrenergic receptors of 8.9 and 6.6, respectively. WAY-100635 is also a potent dopamine D4 receptor agonist[1][2][3].

• HY-19225A

  Ensaculin free base	Antagonist
  Ensaculin free base (KA-672) is a NMDA antagonist and have high affinities to serotonergic 5-HT1A and 5-HT7 receptors, adrenergic α1, and dopaminergic D2 and D3 receptors. Ensaculin free base is a memory-enhancing agent. Ensaculin free base has the potential as an antidementia agent acting on various transmitter systems[1].

• HY-109167

  Aramisulpride	Antagonist	99.49%
  Aramisulpride is a dopamine D2 receptor and serotonin receptor antagonist used for the research of metabolic disorders[1].

• HY-15856B

  Flupentixol dihydrochloride	Antagonist	99.73%
  Flupentixol is an orally active D1/D2 dopamine receptor antagonist and new PI3K inhibitor (PI3Kα IC50=127 nM). Flupentixol shows anti-proliferative activity to cancer cells and induces apoptosis. Flupentixol can also be used in schizophrenia, anxiolytic and depressive research[1][2][3].

• HY-19654B

  (-)-GSK598809	Antagonist
  (-)-GSK598809 ((1S,5R)-GSK598809) is an isomer of GSK598809. GSK598809 is a potent and selective dopamine D3 Receptor (DRD3) antagonist.

• HY-W417914

  4-Methylamphetamine hydrochloride
  4-Methylamphetamine hydrochloride is a 5-HT1A receptor agonist that induces hypothermia in rats by binding to the 5-HT1A receptor. Additionally, 4-Methylamphetamine hydrochloride acts on norepinephrine (NE), dopamine (DA), and serotonin (5-HT) transporters to increase the extracellular levels of these neurotransmitters. 4-Methylamphetamine hydrochloride can be used in the study of neurological disorders[1][2].

• HY-155466

  Boc-MIF-1-Am	Activator
  Boc-MIF-1-Am (compound 2) is a human dopamine D2 receptor enhancer (EC50=17.82 nM) and is a bioconjugate of melanostatin (MIF-1) and amantadine. Boc-MIF-1-Am (200 μM) exhibited mild neurotoxicity in SH-SY5Y cells[1].

• HY-15296A

  Cabergoline diphosphate	Agonist
  Cabergoline diphosphate is an ergot derived-dopamine D2-like receptor agonist that has high affinity for D2, D3, and 5-HT2B receptors (Ki=0.7, 1.5, and 1.2, respectively).

• HY-101384A

  Ro 10-5824 dihydrochloride	Agonist	99.86%
  Ro 10-5824 dihydrochloride is a selective dopamine D4 receptor partial agonist, with Ki of 5.2 nM.

• HY-17382B

  Metoclopramide hydrochloride	Antagonist	99.96%
  Metoclopramide hydrochloride is a potent and orally active antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide hydrochloride can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis[1][2].

• HY-12705S

  Bromocriptine-13C,d3	Agonist
  Bromocriptine-13C,d3 is the 13C- and deuterium labeled Bromocriptine. Bromocriptine is a potent dopamine D2/D3 receptor agonist, which binds D2 dopamine receptor with pKi of 8.05±0.2.

• HY-70081

  Sumanirole	Agonist
  Sumanirole (PNU-95666E) is a highly selective D2 receptor full agonist with an ED50 of about 46 nM. Sumanirole plays an important role in the research of Parkinson's disease and restless leg syndrome[1].

• HY-17390BS2

  Loxapine-d8
  Loxapine-d8 is the deuterium labeled Loxapine[1].

• HY-17355B

  Dexpramipexole	Agonist
  Dexpramipexole(KNS-760704), also known as R-(+)-Pramipexole, is a neuroprotective agent and weak non-ergoline dopamine agonist.

• HY-B1059

  Levosulpiride	Antagonist	99.88%
  Levosulpiride (RV-12309) is the (S)-enantiomer of sulpiride, which is a D2 receptor a antagonist, an atypical antipsychotic agent of the benzamide class.

• HY-163830

  Pegasus	Agonist
  Pegasus (DAD9) is a potent dopamine receptor agonist. Pegasus shows antioxidant and anti-inflammatory properties. Pegasus inhibits α-Syn amyloid aggregation. Pegasus has the potential for the research of Parkinson’s disease[1].

• HY-135497

  Fallypride	Antagonist	99.93%
  Fallypride is a potent antagonist of dopamine D2/D3 receptor. Fallypride, in the form of fallypride (18F), can be used as a positron emission tomography (PET) radiotracer[1].

• HY-100143

  Pentiapine	Inhibitor	99.95%
  Pentiapine (CGS 10746) is a dopamine release inhibitor without binding to synaptic dopamine receptor sites[1][2].

• HY-B0274A

  Chlorprothixene hydrochloride	Antagonist
  Chlorprothixene hydrochloride is a dopamine and histamine receptors antagonist with Kis of 18 nM, 2.96 nM, 4.56 nM, 9 nM and 3.75 nM for hD1, hD2, hD3, hD5 and hH1 receptors, respectively. Antipsychotic activity[1].

• HY-12723

  Apomorphine	Agonist
  Apomorphine is an orally active agonist of Dopamine receptor. Apomorphine can be used in study Parkinson, biphasic dyskinesias, urinary dysfunction,,dystonia, dyspnoea, anismus and belching[1].

• HY-129682

  LY125180	Inhibitor
  LY125180 is a serotonin uptake inhibitor. LY125180 competitively inhibits the uptake of serotonin and norepinephrine by cortical synaptosomes and of dopamine by striatal synaptosomes, with Ki values of 0.06 μM, 2.2 μM and 2.5 μM respectively[1].

• HY-110024

  S-14506 hydrochloride	Antagonist	99.92%
  S-14506 hydrochloride is a potent 5-HT1A agonist, as well as 5-HT2A/2C antagonist. S-14506 hydrochloride displays dopamine antagonist properties by blocking dopamine D2 receptors. S-14506 hydrochloride inhibits the in vivo binding of [3H]raclopride in striatum and olfactory bulbs. S-14506 hydrochloride has the potential for the research of anxiolytic agent[1][2][3].

• HY-19733S

  Lumateperone-13C,d3 tosylate	Modulator
  Lumateperone-13C,d3 (ITI-007-13C,d3) tosylate is 13C and deuterium labeled Lumateperone (tosylate). Lumateperone (ITI-007) tosylate is a 5-HT2A receptor antagonist (Ki = 0.54 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki = 32 nM), and a dopamine D1 receptor modulator. Lumateperone tosylate has anticancer activity and can also be used in studies of psychiatric disorders such as schizophrenia[1][2][3][4].

• HY-12707S

  Piribedil-d8	Agonist	99.79%
  Piribedil-d8 is the deuterium labeled Piribedil, which is an antiparkinsonian agent.

• HY-17410S

  Iloperidone-d3	Antagonist
  Iloperidone-d3 is the deuterium labeled Iloperidone. Iloperidone (HP 873) is a D2/5-HT2 receptor antagonist. Iloperidone is an atypical antipsychotic for the schizophrenia symptoms[1][2].

• HY-124357

  Seproxetine hydrochloride	Inhibitor
  Seproxetine (S-Norfluoxetine) hydrochloride is a selective serotonin reuptake inhibitor (SSRI) that enhances serotonin levels in the brain by specifically inhibiting the serotonin uptake carrier. Seproxetine hydrochloride exhibits strong charge transfer interactions with π-electron acceptors, forming stable complexes that enhance its binding affinity to multiple receptors, including serotonin and dopamine receptors. Seproxetine hydrochloride demonstrates improved biological activity when interacting with charge transfer complexes, leading to increased stability and efficacy in therapeutic applications.

• HY-48817

  Nor-SCH-12679 maleate	Antagonist
  Nor-SCH-12679 (maleate) is a compound mentioned in the study of the effects of peppermint oil components on mouse activity. As a dopamine antagonist, it can weaken the promoting effect of peppermint oil components on mouse activity.

• HY-101313A

  (S)-Remoxipride hydrochloride	Antagonist	99.93%
  (S)-Remoxipride ((-)-Remoxipride) hydrochloride is a selective dopamine D2-receptor antagonist with an IC50 value of 1.57 μM. (S)-Remoxipride hydrochloride can be used for the research of psychotic disorder[1].

• HY-111066

  JNJ-37822681	Antagonist
  JNJ-37822681 is a fast dissociating D2 antagonist with activity in inhibiting schizophrenia. JNJ-37822681 has high specificity for D2 receptors and is effective in animal models, inducing increased levels of extracellular serotonin, dopamine, and norepinephrine in the rat cerebral cortex, and exhibiting antidepressant activity in the mouse tail suspension test, while having a good brain distribution and lower prolactin release.

• HY-B0032AR

  Lurasidone (Standard)	Antagonist
  Lurasidone (Standard) is the analytical standard of Lurasidone. This product is intended for research and analytical applications. Lurasidone (SM-13496) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (SM-13496) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.

• HY-B0358AR

  Flunarizine (dihydrochloride) (Standard)	Antagonist
  Flunarizine (dihydrochloride) (Standard) is the analytical standard of Flunarizine (dihydrochloride). This product is intended for research and analytical applications. Flunarizine dihydrochloride is a potent dual Na+/Ca2+ channel (T-type) blocker. Flunarizine dihydrochloride is a D2 dopamine receptor antagonist. Flunarizine dihydrochloride shows anticonvulsive and antimigraine activity, and peripheral vasodilator effects[1][2][3][4][5].

• HY-B1225A

  Promazine	Antagonist
  Promazine (Romtiazin) is an antipsychotic and a dopamine receptor D2 antagonist. Promazine inhibits dopaminergic neurotransmission[1][2].

• HY-B0623S

  Ropinirole-d14
  Ropinirole-d14 is the deuterium labeled Ropinirole[1].

• HY-B0358R

  Flunarizine (Standard)	Antagonist
  Flunarizine (Standard) is the analytical standard of Flunarizine. This product is intended for research and analytical applications. Flunarizine is a potent dual Na+/Ca2+ channel (T-type) blocker. Flunarizine is a D2 dopamine receptor antagonist. Flunarizine shows anticonvulsive and antimigraine activity, and peripheral vasodilator effects[1][2][3][4][5].

• HY-B0901R

  Bromperidol (Standard)	Inhibitor
  Bromperidol (Standard) is the analytical standard of Bromperidol. This product is intended for research and analytical applications. Bromperidol (R-11333) possesses antipsychotic activity, with a high affinity for central dopamine receptors D2. Bromperidol can kill Mycobacteria in a synergistic manner with Spectinomycin[1][2].

• HY-119943B

  (R)-PF-06256142	Agonist	99.60%
  (R)-PF-06256142 is the R enantiomer of PF-06256142 with low active. PF-06256142 is a potent and selective orthosteric D1 receptor agonist that can reduce receptor desensitization relative to dopamine and other catechol-containing agonists[1].

• HY-B0520A

  Benztropine mesylate	Inhibitor	99.85%
  Benztropine mesylate (Benzatropine mesylate) is an orally active centrally acting anticholinergic agent that can be used for Parkinson's disease research. Benztropine mesylate is an anti-histamine agent and a dopamine re-uptake inhibitor. Benztropine mesylate is also a human D2 dopamine receptor allosteric antagonist. Benztropine mesylate also has anti-CSCs (cancer stem cells) effects[1][2].

• HY-108976

  Raclopride tartrate	Antagonist
  Raclopride tartrate is a selective dopamine D2/D3 receptor antagonist with potential antipsychotic effects. Raclopride tartrate binds to D2 and D3 receptors with Kis of 1.8 nM and 3.5 nM, respectively[1][2].

• HY-14538R

  Haloperidol (Standard)	Antagonist
  Haloperidol (Standard) is the analytical standard of Haloperidol. This product is intended for research and analytical applications. Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.

• HY-14541S2

  Olanzapine-d8	Antagonist
  Olanzapine-d8 is a deuterated labeled Olanzapine[1]. Olanzapine (LY170053) is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (Ki=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (Ki=11 to 31 nM), muscarinic M1-5 (Ki=1.9-25 nM), and adrenergic α1 receptor (Ki=19 nM). Olanzapine is an atypical antipsychotic[2][3].

• HY-101349

  L 741742	Antagonist
  L 741742 is a dopamine receptor D4 (DRD4) antagonist that selectively inhibits glioblastomas (GBM) growth in vitro and in vivo, synergyed with Temozolomide (TMZ) (HY-17364). L 741742 disrupts in effectors PDGFRβ/ERK1/2 and mTOR signaling. Additionally, L 741742 disrupts endolysosmal function compromising the autophagy-lysosomal degradation pathway, followed by G0/G1 cell cycle arrest and Apoptosis. L 741742 is promising for research of GBM and neurogenesis[1].

• HY-19100

  ADX-10061	Antagonist
  ADX-10061 (compound NNC 687) is a dopamine D1 receptor antagonist with the Ki values of 9.1 nM, 5.8 nM, > 10 000 nM and 355 nM for adenylyl cyclase, D1, D2 and 5-HT2 receptor, respectively. ADX-10061 can be used for study of schizophrenia[1].

• HY-106079

  Fezolamine	Inhibitor
  Fezolamine is an orally active non-tricyclic compound , and shows antidepressant activity[1].

• HY-103431

  A68930 hydrochloride	Agonist
  A68930 hydrochloride, as a dopamine D1 receptor agonist, can be used for the research of bronchiectasis[1].

• HY-Z2493

  Aripiprazole N1-oxide	Control
  Aripiprazole N-oxide is a metabolite of the atypical antipsychotic Aripiprazole (HY-14546). Aripiprazole N-oxide is formed from aripiprazole by the cytochrome P450 (CYP) isoforms CYP2D6 and CYP3A4.

• HY-12236

  SKF 81297 hydrobromide	Agonist
  SKF 81297 hydrobromide is a potent and selective dopamine D1 receptor agonist[1].

• HY-115968

  Dopamine D3 receptor ligand-4
  Dopamine D3 receptor ligand-4 (compound 6) is a potent and selective dopamine D3 receptor ligand, with a Ki of 0.5 nM. Dopamine D3 receptor ligand-4 shows high level of selectivity for D3 over D2 (Ki=7.43 nM)[1].

• HY-11018R

  Risperidone (Standard)	Antagonist
  Risperidone (Standard) is the analytical standard of Risperidone. This product is intended for research and analytical applications. Risperidone is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.

• HY-B0965A

  Thioridazine	Antagonist	99.50%
  Thioridazine, an antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs)[1][2][3][4].

• HY-N6960

  L-Stepholidine	Modulator	99.79%
  L-Stepholidine (Stepholidine) exhibits mixed dopamine D1 receptor agonist and D2 antagonist properties. L-Stepholidine has neuroprotective effect and inhibits Heroin-induced reinstatement. L-Stepholidine is a potential medication for the research of opiate addiction[1][2][3].

• HY-126635R

  Mafoprazine (Standard)	Antagonist
  Mafoprazine (Standard) is the analytical standard of Mafoprazine. This product is intended for research and analytical applications. Mafoprazine is a phenylpiperazine derivative with variable affinities for neuronal receptors. It may exert its antipsychotic effects primarily through D2 receptor blockade and α-adrenergic activity, and may increase the activity of dopamine metabolites.

• HY-116016

  Etilevodopa
  Etilevodopa (L-Dopa ethyl ester), an ethyl-ester proagent of Levodopa, is rapidly hydrolyzed to Levodopa and ethanol by nonspecific esterases in the gastrointestinal tract. Etilevodopa is used for the treatment of Parkinson disease (PD). Levodopa is the direct precursor of dopamine and is a suitable proagent as it facilitates CNS penetration and delivers dopamine[1][2][3].

• HY-129549

  Thiopropamine hydrochloride
  Thiopropamine hydrochloride is a thiol compound that can be used in research on duodenal ulcers[1].

• HY-W014728

  N-Methyldopamine hydrochloride	Agonist
  N-Methyldopamine hydrochloride is a precursor of adrenaline in the adrenal medulla. N-Methyldopamine hydrochloride is a modification of the dopamine (DA), and retains agonist activity at the DA1 receptor. N-Methyldopamine hydrochloride remains capable of universal surface coating and secondary reactions using the surface catechols. N-Methyldopamine hydrochloride can be used for heart failure research[1][2][3].

• HY-B0407AS

  Chlorpromazine-d6 hydrochloride		99.88%
  Chlorpromazine-d6 (hydrochloride) is the deuterium labeled Chlorpromazine. Chlorpromazine is an inhibitor of dopamine receptor, 5-HT receptor, potassium channel, sodium channel.

• HY-W040146

  Propionylpromazine hydrochloride	Antagonist
  Propionylpromazine hydrochloride (Propiopromazine hydrochloride), a dopamine receptor D2 (DRD2) antagonist, can be used in the research of Parkinson disease[1].

• HY-103405

  NGD94-1	Antagonist	99.73%
  NGD94-1 is a specific dopamine D4 receptor antagonist. NGD94-1 can effectively reverse Phencyclidine-induced cognitive impairment in marmosets. NGD94-1 can be used in the study of psychiatric diseases[1].

• HY-127086

  Dicarbine	Inhibitor
  Dicarbine blocks dopamine receptors in various brain parts and prevents the depression of the conditioned defence reflexes caused by stimulation of the mesencephalic portion of the reticular formation. Dicarbine could be used in the schizophrenia and alcoholic psychosis studies[1][2].

• HY-121276R

  Benperidol (Standard)
  Benperidol (Standard) is the analytical standard of Benperidol. This product is intended for research and analytical applications. Benperidol is a relatively old antipsychotic agent. Benperidol is a butyrophenone antipsychotic, with the highest neuroleptic potency in terms of D2 receptor blockade[1].

• HY-B0451AS4

  Dopamine-d3 hydrochloride		99.30%
  Dopamine-d3 (hydrochloride) is the deuterium labeled Dopamine hydrochloride (ASL279)-[1].

• HY-B0731

  Perospirone hydrochloride	Antagonist	99.94%
  Perospirone hydrochloride (SM-9018) is an orally active antagonist of 5-HT2A receptor (Ki of 0.6 nM) and dopamine D2 receptor (Ki of 1.4 nM). Perospirone hydrochloride is also a partial agonist of 5-HT1A receptor (Ki of 2.9 nM). Perospirone hydrochloride is an atypical antipsychotic agent and has the potential for schizophrenic disease research[1][2].

• HY-14690B

  rel-Ecopipam hydrobromide	Antagonist
  rel-Ecopipam (rel-SCH 39166) (Compound 6b) hydrobromide is a D1 receptor antagonist (Ki: 1.30 nM)[1].

• HY-10847B

  SB-277011 hydrochloride	Antagonist	98.54%
  SB-277011 hydrochloride (SB-277011A hydrochloride) is a potent, selective, orally bioavailable and brain penetrate dopamine D3 receptor (D3R) antagonist with Ki values of 10.7 nM and 11.2 nM at rodent and human D3R, respectively. SB-277011 hydrochloride displays 80- to 100-fold selectivity over other dopamine receptors with pKis of 8.0, 6.0, <5.2, and 5.9 for D3, D2, 5-HT1B, and 5-HT1D receptors, respectively[1][2].

• HY-118402

  PD 119819	Agonist
  PD 119819 is a highly selective benzopyran-4-one brain dopamine autoreceptor agonist. PD 119819, a heterocyclic piperazine, inhibits spontaneous locomotor activity and brain dopamine synthesis[1][2].

• HY-13720AR

  Pergolide (mesylate) (Standard)	Agonist
  Pergolide (mesylate) (Standard) is the analytical standard of Pergolide (mesylate). This product is intended for research and analytical applications. Pergolide mesylate (Pergolide methanesulfonate), an Ergoline derivative, is a potent and orally active dopamine D1 and D2 receptors agonist. Pergolide mesylate can be used for Parkinson's disease and hyperprolactinaemia research[1][2].

• HY-13575

  Blonanserin	Antagonist	99.62%
  Blonanserin (AD-5423) is a potent?and orally active 5-HT2A?(Ki=0.812 nM) and?dopamine D2?receptor?(Ki =0.142?nM)?antagonist. Blonanserin is usually acts as an atypical antipsychotic?agent and can be used for the research of extrapyramidal symptoms, excessive?sedation, or?hypotension[1].

• HY-B0520AS

  Benztropine-13C,d3 mesylate	Inhibitor
  Benztropine-13C,d3 (mesylate) is the 13C- and deuterium labeled Benztropine (mesylate). Benztropine mesylate (Benzatropine mesylate) is an orally active centrally acting anticholinergic agent that can be used for Parkinson's disease research. Benztropine mesylate is an anti-histamine agent and a dopamine re-uptake inhibitor. Benztropine mesylate is also a human D2 dopamine receptor allosteric antagonist. Benztropine mesylate also has anti-CSCs (cancer stem cells) effects[1][2].

• HY-10349A

  WAY-100635 maleate	Agonist
  WAY-100635 maleate is a potent and selective 5-hydroxytryptamine 1A (5-HT1A) receptor antagonist with an IC50 value of 0.91 nM and Ki value of 0.39 nM. WAY-100635 maleate has pIC50 values for 5-HT1A and α1-adrenergic receptors of 8.9 and 6.6, respectively. WAY-100635 maleate is also a potent dopamine D4 receptor agonist[1][2][3].

• HY-B1794A

  Thiethylperazine dimaleate	Antagonist	99.99%
  Thiethylperazine dimaleate, a phenothiazine derivate, is an orally active and potent dopamine D2-receptor and histamine H1-receptor antagonist. Thiethylperazine dimaleate is also a selective ABCC1activator that reduces amyloid-β (Aβ) load in mice. Thiethylperazine dimaleate has anti-emetic, antipsychotic and antimicrobial effects[1][2][3].

• HY-14827A

  Zicronapine fumarate	Antagonist
  Zicronapine (Lu 31-130) fumarate is an antipsychotic medication with a strong pro-cognitive effect in animal models and the potential to treat a number of neurological and psychiatric diseases. Zicronapine (Lu 31-130) fumarate has potent antagonistic effects at dopamine D1/D2, and serotonin 5-HT2A receptors[1][2].

• HY-167901

  Dinoxyline	Agonist
  Dinoxyline is a potent agonist at dopamine receptors (Ki = 7 nM, 6 nM, 5 nM, 43 nM for D1, D2, D3 and D4). Dinoxyline can be utilized in neurological research[1].

• HY-17407R

  Ziprasidone (hydrochloride monohydrate) (Standard)	Antagonist
  Ziprasidone (hydrochloride monohydrate) (Standard) is the analytical standard of Ziprasidone (hydrochloride monohydrate). This product is intended for research and analytical applications. Ziprasidone (CP-88059) hydrochloride monohydrate is an orally active combined 5-HT and dopamine receptor antagonist[1]. Ziprasidone hydrochloride monohydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM)[1].

• HY-103429

  Quinelorane dihydrochloride	Agonist
  Quinelorane dihydrochloride (LY163502) is a potent dopamine D3/D2 receptor agonist. Quinelorane has the potential for neurological and psychiatric disorders research[1][2].

• HY-102089

  Fluoroclebopride	Chemical	99.90%
  Fluoroclebopride binds reversibly to dopamine receptors. 18F labeled fluoroclebopride has been used as a probe for studying D2/D3 receptor availability via PET in various monkey models[1][2].

• HY-119486A

  (Rac)-Tavapadon	Agonist	99.87%
  (Rac)-Tavapadon ((Rac)-PF-06649751) is a potent and selective noncatechol dopamine D1 receptor agonist. (Rac)-Tavapadon displays potent full agonism in the GS activation assay as well as partial agonism in the β-arrestin2 recruitment assay (GS-cAMP, EC50=0.8 nM; β-arrestin2, EC50=68 nM). (Rac)-Tavapadon has antiparkinsonian activity[1].

• HY-103414

  Raclopride	Antagonist	99.83%
  Raclopride is a dopamine D2/D3 receptor antagonist with potential antipsychotic effects. Raclopride binds to D2 and D3 receptors with Kis of 1.8 nM and 3.5 nM, respectively[1][2].

• HY-A0139

  Thiothixene	Antagonist
  Thiothixene is a typical antipsychotic. It selectively binds to dopamine D2 over D1, D3, and D4 receptors (Kis=0.417, 338, 186.2, and 363.1 nM, respectively). Thiothixene also binds to various serotonin (5-HT), histamine H1, α1- and α2-adrenergic, muscarinic acetylcholine, and sigma receptors (Kis=15-5,754 nM) as well as the dopamine, norepinephrine, and serotonin transporters (Kis=3.16-30 μM). In vivo, thiothixene reduces spontaneous and amphetamine-induced locomotor activity in rats. It enhances latent inhibition, as measured by a decreased lick latency in response to light and foot shock stimuli, which is a measure of selective attention in rats.3 Thiothixene also increases competitive behavior in submissive mice, indicating antidepressant-like behavior.

• HY-101540

  NMI 8739	Agonist	99.02%
  NMI 8739 is a dopamine D2 autoreceptor agonist, which is an amine conjugate of the DHA carrier and the neurotransmitter dopamine.

• HY-18332

  Amitifadine
  Amitifadine (DOV-21947) is an antidepressant drug candidate that functions as a triple reuptake inhibitor, targeting the reuptake of serotonin, norepinephrine, and dopamine, and has been shown to decrease binge drinking and alleviate negative emotions in animal models.

• HY-B0735A

  Fenoldopam mesylate	Agonist	99.94%
  Fenoldopam mesylate (SKF-82526) is a D1 receptor agonist and a novel lysine-specific demethylase 1 (LSD1) inhibitor (IC50=0.8974 μM). Fenoldopam mesylate shows anti-hypertensive effects, anti-cancer cell proliferation activity and can induce cells apoptosis[1][2][3].

• HY-123788

  BRD5814	Antagonist
  BRD5814 is a D2R antagonist. BRD5814 can be used in schizophrenia research[1].

• HY-14690

  Ecopipam	Antagonist
  Ecopipam (SCH 39166) is a potent, selective and orally active antagonist of dopamine D1/D5 receptor, with Kis of 1.2 nM and 2.0 nM, respectively. Ecopipam shows more than 40-flod selectivity over D2, D4, 5-HT, and α2a receptor (Ki=0.98, 5.52, 0.08, and 0.73 μM, respectively). Ecopipam can be used for the research of schizophrenia and obesity[1][3].

• HY-W016388R

  9-Fluorenol (Standard)	Inhibitor
  9-Fluorenol (Standard) is the analytical standard of 9-Fluorenol. This product is intended for research and analytical applications. 9-Fluorenol (9-Hydroxyfluorene; compound 3) is a dopamine (DAT) inhibitor with IC50 value of 9 μM. 9-Fluorenol is a major metabolite of compound developed as a wake promoting agent. 9-Fluorenol shows wake promotion activity in vivo[1].

• HY-W069508

  3-(Aminomethyl)phenol	Inhibitor
  3-(Aminomethyl)phenol (m-Hydroxybenzylamine) reduces prefrontal Dopemine (DA) levels[1].

• HY-B0532AR

  Trifluoperazine (dihydrochloride) (Standard)	Inhibitor
  Trifluoperazine (dihydrochloride) (Standard) is the analytical standard of Trifluoperazine (dihydrochloride). This product is intended for research and analytical applications. Trifluoperazine dihydrochloride, an antipsychotic agent, acts by blocking central dopamine receptors. Trifluoperazine dihydrochloride is a potent α1-adrenergic receptor antagonist. Trifluoperazine dihydrochloride is a potent NUPR1 inhibitor exerting anticancer activity. Trifluoperazine dihydrochloride is a calmodulin inhibitor, and also inhibits P-glycoprotein. Trifluoperazine dihydrochloride can be used for the research of schizophrenia. Trifluoperazine dihydrochloride acts as a reversible inhibitor of influenza virus morphogenesis[1][2][3][4][5].

• HY-14690S

  Ecopipam-d4
  Ecopipam-d4 is deuterium labeled Ecopipam.

• HY-100454

  CGP 25454A	Antagonist	99.65%
  CGP 25454A is a selective presynaptic dopamine autoreceptor antagonist which induces the increase of dopamine and acetyl choline. CGP 25454A can be used for major depression research[1].

• HY-121740

  FAUC-312	Agonist
  FAUC-312, a tetrahydropyrimidine, is a strong and highly selective dopamine D4 receptor partial agonist (Ki=1.5 nM)[1].

• HY-N0304S2

  L-DOPA-13C
  L-DOPA-13C is the 13C labeled L-DOPA[1]. L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease[2][3][4].

• HY-12701A

  U-99194 maleate	Antagonist	99.23%
  U-99194 maleate is a potent and selective Dopamine3 Receptor (D3 receptor) antagonist. U-99194 maleate also enhances prolactin secretion and striatal dopamine synthesis[1].

• HY-128386

  Cinitapride monotartrate	Antagonist
  Cinitapride monotartrate is a 5-HT1A and 5-HT4 agonist. Cinitapride monotartrate is also a 5-HT2A and D2 antagonist. Cinitapride monotartrate can be used for the research of functional dyspepsia[1][2].

• HY-B0732

  Itopride hydrochloride	Inhibitor	99.84%
  Itopride (HSR803) hydrochloride is a potent dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride hydrochloride enhances gastric motility through both antidopaminergic and anti-acetylcholinesterasic actions, can be used as a gastrointestinal prokinetic agent. Itopride can be used for researching gastro-esophageal reflux disease (GERD)[1][2].

• HY-W401531S

  (R)-3-O-Methyldopa-d3	Inhibitor
  (R)-3-O-Methyldopa-d3 is a deuterium labeled (R)-3-O-Methyldopa, and (R)-3-O-Methyldopa is an R-enantiomer of 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of L-DOPA and dopamine[1][2].

• HY-N7512

  Asimilobine	Inhibitor
  Asimilobine is an aporphine isoquinoline alkaloid isolated from plant species of Magnolia obobata Thun. Asimilobine is a dopamine biosynthesis inhibitor and a serotonergic receptor antagonist. Asimilobine shows an antimalarial and anti-cancer activity[1][2].

• HY-168537

  LB-102	Inhibitor
  LB-102 is an orally active inhibitor of dopamine D2, D3, and 5-HT7 receptors, which can be used in research on schizophrenia and other psychiatric disorders[1].

• HY-120405

  RS-12254	Agonist
  RS-12254 is a compound with hypotensive, diuretic and sympathostatic effects, and has the activity of regulating blood pressure, water and salt metabolism and sympathetic nerve activity. RS-12254 can lower blood pressure, reduce plasma norepinephrine levels, has diuretic and natriuretic effects, and has sympathostatic properties.

• HY-17366R

  Clozapine N-oxide (Standard)	Antagonist
  Clozapine N-oxide (Standard) is the analytical standard of Clozapine N-oxide. This product is intended for research and analytical applications. Clozapine N-oxide is a major metabolite of Clozapine and a human muscarinic designer receptors (DREADDs) agonist. Clozapine N-oxide activates the DREADD receptor hM3Dq and hM4Di. Clozapine N-oxide can cross the blood-brain barrier[1][2][3][4]. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist[5][6].

• HY-155378

  PZ-1190
  PZ-1190 is a multitarget ligand for serotonin and dopamine receptors with potential antipsychotic activity in rodents[1].

• HY-119980

  Fluphenazine	Antagonist	98.70%
  Fluphenazine is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine blocks neuronal voltage-gated sodium channels. Fluphenazine acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2[1][2][3][4][6].

• HY-14958A

  Pardoprunox hydrochloride	Agonist	99.46%
  Pardoprunox (SLV-308) hydrochloride is a partial dopamine D2 and D3 receptor partial agonist and a serotonin 5-HT1A receptor agonist, with pEC50s of 8, 9.2, and 6.3, respectively[1].

• HY-11018S1

  Risperidone-d4-1	Antagonist
  Risperidone-d4-1 (R 64 766-d4-1) is the deuterium labeled Risperidone (HY-11018). Risperidone is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.

• HY-W704749

  7-Hydroxychlorpromazine hydrochloride	Inhibitor
  7-Hydroxychlorpromazine hydrochloride is the active metabolite of Chlorpromazine (HY-12708). 7-Hydroxychlorpromazine hydrochloride can increase prolactin levels in rats. 7-Hydroxychlorpromazine hydrochloride can increase dopamine turnover and has a sedative effect. In addition, 7-Hydroxychlorpromazine hydrochloride can effectively inhibit amphetamine-induced stereotyped behavior in rats and is used in the study of psychosis[1][2].

• HY-116874

  SKF 83822	Agonist	98.66%
  SKF 83822 is an atypical agonist of dopamine D1 receptor. SKF 83822 activates adenylyl cyclase (AC), but not phospholipase C (PLC). SKF 83822 is also proved to stimulate AC via cAMP production. SKF 83822 can be used for research of schizophrenia[1][2].

• HY-143994S

  Metopimazine acid-d6 hydrochloride	Antagonist
  Metopimazine-d6 hydrochloride is the deuterium labeled Metopimazine (HY-116578). Metopimazine (EXP999; RP9965) is a phenothiazine, orally available, selective dopamine D2 receptor antagonist that does not penetrate the blood-brain barrier. Metopimazine blocks dopamine D2 receptors in the chemoreceptor trigger zone and the periphery, thereby inhibiting nausea and vomiting. Metopimazine is indicated for chemotherapy-induced nausea and vomiting, and has low central side effects due to its poor brain penetration. The use of metopimazine in acute gastroenteritis may have potential risks[1][2][3][4].

• HY-B0274AS

  Chlorprothixene-d6 hydrochloride	Antagonist
  Chlorprothixene-d6 (hydrochloride) is the deuterium labeled Chlorprothixene hydrochloride. Chlorprothixene hydrochloride is a dopamine and histamine receptors antagonist with Kis of 18 nM, 2.96 nM, 4.56 nM, 9 nM and 3.75 nM for hD1, hD2, hD3, hD5 and hH1 receptors, respectively. Antipsychotic activity[1].

• HY-103147

  Mesulergine hydrochloride	Agonist
  Mesulergine (CU32-085) hydrochloride is a potent 5-HT2C antagonist and dopamine (DA) agonist. Mesulergine hydrochloride presentes hyperphagia. Mesulergine hydrochloride has the potential for the research of cognitive processes[1][2].

• HY-101299

  (+)-Dihydrexidine hydrochloride	Agonist
  (+)-Dihydrexidine hydrochloride ((+)-DAR-0100 hydrochloride) is a dopamine D1 receptor agonist with an EC50 of 72± 21 nM.

• HY-14263

  Pericyazine	Antagonist	99.86%
  Pericyazine (Propericiazine) is a first-generation antipsychotic agent that is used as an adjunct to the short-term management of severe anxiety states and psychosis[1]. Pericyazine is a selective D2-dopamine receptor antagonist[2][3]. Pericyazine has adrenolytic, anticholinergic, and extrapyramidal effects[4].

• HY-12751

  Trimethobenzamide	Inhibitor
  Trimethobenzamide (Ro 2-9578 free base) is a blocker of the D2 receptor. Trimethobenzamide is an antiemetic used to prevent nausea and vomiting[1].

• HY-115553

  DETQ	Agonist
  DETQ is a selective, allosteric and orally active dopamine D1 receptor (Dopamine Receptor) potentiator. In HEK293 cells expressing the human D1 receptor, DETQ increases cAMP with an EC50 of 5.8 nM and a Kb of 26 nM. DETQ shows ~30-fold less potent at rat and mouse D1 receptors and is inactive at the human D5 receptor[1].

• HY-14541S

  Olanzapine-d3	Antagonist	99.09%
  Olanzapine-d3 is the deuterium labeled Olanzapine. Olanzapine is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (Ki=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (Ki=11 to 31 nM), muscarinic M1-5 (Ki=1.9-25 nM), and adrenergic α1 receptors (Ki=19 nM). Olanzapine is an atypical antipsychotic[1][2].

• HY-B0732R

  Itopride (hydrochloride) (Standard)	Inhibitor
  Itopride (hydrochloride) (Standard) is the analytical standard of Itopride (hydrochloride). This product is intended for research and analytical applications. Itopride (HSR803) hydrochloride is a potent dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride hydrochloride enhances gastric motility through both antidopaminergic and anti-acetylcholinesterasic actions, can be used as a gastrointestinal prokinetic agent. Itopride can be used for researching gastro-esophageal reflux disease (GERD)[1][2].

• HY-118706

  PD 118440	Agonist
  PD 118440 is an orally active dopamine (DA) agonist. PD 118440 has significant central nervous system effects, including inhibition of striatal DA synthesis, suppression of DA neuron firing, and reversal of Reserpine (HY-N0480)-induced depression in rats[1].

• HY-103427

  NPEC-caged-dopamine	Modulator	99.94%
  NPEC-caged-dopamine is a caged version of dopamine. NPEC-caged-Dopamine was used by applying focal photolysis with UV light (360 nm) to releases dopamine, which leads to D1 receptor activation[1].

• HY-N0304S

  L-DOPA-d6
  L-DOPA-d6 is the deuterium labeled L-DOPA. L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease[1][2][3].

• HY-111280

  ST 198	Antagonist
  ST 198 is an orally active D3R antagonist. ST 198 can block the expression of nicotine-induced CPP at doses selective for D3R. ST 198 can be used for the research of neurological disease[1].

• HY-14547

  Bifeprunox	Agonist
  Bifeprunox is a potent dopamine D2-like and 5-HT1A receptor partial agonist with pKis of 7.19 and 8.83 for cortex 5-HT1A and striatum D2, and a pEC50 of 6.37 for hippocampus 5-HT1A, respectively. Bifeprunox is an antipsychotic for the research of schizophrenia[1][2].

• HY-12520A

  SKF 38393 hydrochloride	Agonist	99.49%
  SKF 38393 hydrochloride is a selective agonist of the dopamine D1 receptor (D1DR) with an IC50 of 110 nM[1].

• HY-141495A

  Razpipadon	Agonist
  Razpipadon ((-)-PW0464), an aromatic compound, is a dopamine receptor partial agonist. Razpipadon can be used in the study of dopamine D1 ligand-mediated related psychiatric disorders[1][2].

• HY-12707R

  Piribedil (Standard)	Agonist
  Piribedil (Standard) is the analytical standard of Piribedil. This product is intended for research and analytical applications. Piribedil is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil is also a α2-adrenoceptors antagonist. Piribedil can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil has the potential for the research of parkinson's disease, circulatory disorders, cancers[1][2][3][4].

• HY-A0125AS

  Alizapride-13C,d3 hydrochloride	Antagonist
  Alizapride-13C,d3 (hydrochloride) is deuterium labeled Alizapride (hydrochloride). Alizapride hydrochloride is a dopamine receptor antagonist with prokinetic and antiemetic effects which can also be used in the treatment of nausea and vomiting, including postoperative nausea and vomiting.

• HY-127120

  Timiperone	Modulator
  Timiperone has a strong affinity for cerebral dopamine D2 receptor. Timiperone has antipsychotic activity, and inhibits stereotyped behaviour. Timiperone can be used for research of schizophrenia[1][2][3].

• HY-B1164A

  Bromopride hydrochloride	Antagonist
  Bromopride hydrochloride is a prokinetic drug with antiemetic activity. Bromopride hydrochloride is used to suppress nausea and vomiting, especially in the management of upper gastrointestinal dysmotility. Bromopride hydrochloride, as a dopamine D2 receptor antagonist, is clinically used to suppress functional dyspepsia, gastric retention and vomiting caused by various reasons[1].

• HY-A0077S1

  Perphenazine-d4
  Perphenazine-d4 is the deuterium labeled Perphenazine. Perphenazine is a typical antipsychotic agent, inhibits 5-HT2Areceptor, Alpha-1A adrenergic receptor, Dopamine receptor D2/D3, D2L receptor, and Histamine H1 receptor, with Ki values of 5.6, 10, 0.765/0.13, 3.4, and 8 nM, respectively.

• HY-106194

  SLV310	Antagonist
  SLV310 is an orally active dopamine D2 receptor antagonist (Ki: 5 nM) and serotonin reuptake receptor inhibitor. SLV310 antagonizes Apomorphine (HY-12723) induced climbing behaviour and 5-HTP (HY-N0122) induced serotonin syndrome like behaviour in mice (ED50: 5.6 and 5.9 mg/kg, p.o.). SLV310 is an antipsychotic compound and can be used for schizophrenia research[1].

• HY-17410S2

  Iloperidone-13C,d3	Antagonist
  Iloperidone-13C,d3 (HP 873-13C,d3) is 13C labeled Iloperidone. Iloperidone (HP 873) is a D2/5-HT2 receptor antagonist. Iloperidone is an atypical antipsychotic for the schizophrenia symptoms[1][2].

• HY-119943A

  (Rac)-PF-06256142		99.59%
  (Rac)-PF-06256142 is the less effective enantiomer of PF-06256142 (HY-119943). (Rac)-PF-06256142 is an agonist of D1 receptor, with an EC50 of 107 nM. (Rac)-PF-06256142 can be used for the research of schizophrenia and Parkinson's disease[1].

• HY-14689

  Ecopipam hydrochloride	Antagonist	99.46%
  Ecopipam (SCH 39166) hydrochloride is a potent, selective and orally active antagonist of dopamine D1/D5 receptor, with Kis of 1.2 nM and 2.0 nM, respectively. Ecopipam hydrochloride shows more than 40-flod selectivity over D2, D4, 5-HT, and α2a receptor (Ki=0.98, 5.52, 0.08, and 0.73 μM, respectively). Ecopipam hydrochloride can be used for the research of schizophrenia and obesity[1][3].

• HY-B1904R

  Fluphenazine decanoate (Standard)	Inhibitor
  Fluphenazine decanoate (Standard) is the analytical standard of Fluphenazine decanoate. This product is intended for research and analytical applications. Fluphenazine decanoate is a dopamine D2 receptor inhibitor, is a long-acting phenothiazine neuroleptic. Fluphenazine can be used for schizophrenia research[1][2][3].

• HY-12707C

  Piribedil hydrochloride	Agonist
  Piribedil hydrochloride is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil hydrochloride is also a α2-adrenoceptors antagonist. Piribedil hydrochloride can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil hydrochloride has the potential for the research of parkinson's disease, circulatory disorders, cancers[1][2][3][4].

• HY-14958

  Pardoprunox	Agonist
  Pardoprunox (SLV-308) is a partial dopamine D2 and D3 receptor partial agonist and a serotonin 5-HT1A receptor agonist, with pEC50s of 8, 9.2, and 6.3, respectively[1].

• HY-100820B

  Sarizotan dihydrochloride	Agonist
  Sarizotan dihydrochloride (EMD 128130) is an orally active serotonin 5-HT1A receptor and dopamine receptor agonist. Sarizotan (EMD 128130) exhibits IC50 values of 6.5 nM (rat 5-HT1A), 0.1 nM (human 5-HT1A), 15.1 nM (rat D2), 17 nM (human D2), 6.8 nM (human D3) and 2.4 nM (human D4.2), respectively[1].

• HY-123837

  MLS1082	Agonist	99.55%
  MLS1082 is a pyrimidone-based D1-like dopamine receptor positive allosteric modulator, with an EC50 of 123 nM for DA-stimulated G protein signaling[1].

• HY-W329175

  N-Despropyl Ropinirole
  N-Despropyl Ropinirole (SKF-104557) is an active metabolite of the dopamine D2 receptor agonist Ropinirole (HY-B0623). N-Despropyl Ropinirole is a full agonist at human D2 and D3 receptors. N-Despropyl Ropinirole is a partial agonistof the hD4 receptor[1].

• HY-100703

  Pipamperone	Antagonist	99.89%
  Pipamperone (Floropipamide) is a butyrophenone derivative and high-affinity antagonist of 5-HT2A receptor (pKi=8.2) and D4 receptor (pKi=8.0). Pipamperone is also a low-affinity antagonist of D2 receptor (pKi=6.7). Pipamperone affects neurotransmitter functions and exerts antipsychotic activity. Pipamperone is used in the research of mental disorders such as autism-related behavioral disorders and Alzheimer's disease[1][2][3][4].

• HY-129059

  Odapipam	Antagonist
  Odapipam (NNC 756) is a selective, high affinity and benzazepine dopamine D1 receptor antagonist with a Kd of 0.18 nM. Odapipam is also a superior positron emission tomography (PET) radiotracer[1][2].

• HY-120076

  CP-293019	Antagonist
  CP-293019 is a dopamine D4 receptor antagonist, with a Ki value of 3.4 nM. CP-293019 can inhibit Apomorphine (HY-12723) induced hyperactivity in rats[1].

• HY-N5140R

  Bacopaside X (Standard)	Inhibitor
  Bacopaside X (Standard) is the analytical standard of Bacopaside X. This product is intended for research and analytical applications. Bacopaside X is found in Bacopa monnieri, and shows a binding affinity toward the D1 receptor[1].

• HY-B0031S5

  Quetiapine-d4-1 fumarate	Antagonist
  Quetiapine-d4-1 fumarate is deuterated labeled Quetiapine (hemifumarate) (HY-B0031). Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1].

• HY-123398

  RS-51324	Activator
  RS-51324 is an oral active antidepressant agent. RS-51324 inhibitts norepinephrine uptake and reverses of Reserpine (HY-N0480)-induced hypothermia[1].

• HY-75502R

  Rotigotine (Standard)	Agonist
  Rotigotine (Standard) is the analytical standard of Rotigotine. This product is intended for research and analytical applications. Rotigotine is a potent dopamine receptor agonist with Ki values of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors and dopamine D1 receptor. Rotigotine a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor. Rotigotine can be used for parkinson's disease (PD) research[1][2][3][4].

• HY-B1613

  Clebopride	Antagonist
  Clebopride is an orally active dopamine Receptor antagonist. Clebopride acts on dopamine D2 receptors and has antiemetic and prokinetic effects. Clebopride can be used in the study of functional gastrointestinal disorders[1][2][3][4].

• HY-14542A

  Ziprasidone hydrochloride	Antagonist
  Ziprasidone (CP-88059) hydrochloride is an orally active combined 5-HT and dopamine receptor antagonist[1]. Ziprasidone hydrochloride has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM)[1].

• HY-118551

  Bromperidol decanoate	Antagonist
  Bromperidol decanoate (R46541) is a compound used for the inhibition of schizophrenia and has certain clinical inhibitory activity.

• HY-164010

  SUN-1334H free base	Inhibitor
  SUN-1334H free base is an orally active inhibitor for histamine H1 receptor, with an IC50 of 20.3 nM and Ki of 9.7 nM. SUN-1334H free base inhibits histamine-induced contractions of isolated guinea-pig ileum with an IC50 of 0.198 μM. SUN-1334H free base inhibits histamine-induced bronchoconstriction in guinea pigs, histamine-induced skin wheals in beagle dogs, and ovalbumin-induced rhinitis in guinea pigs[1].

• HY-100656

  Desmethyl cariprazine	Modulator	98.06%
  Desmethyl cariprazine is an active metabolite of Cariprazine[1]. Cariprazine, an antipsychotic agent candidate, exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (2.6 nM)[2].

• HY-A0081R

  Fluphenazine (dihydrochloride) (Standard)	Inhibitor
  Fluphenazine (dihydrochloride) (Standard) is the analytical standard of Fluphenazine (dihydrochloride). This product is intended for research and analytical applications. Fluphenazine dihydrochloride is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine dihydrochloride blocks neuronal voltage-gated sodium channels. Fluphenazine dihydrochloride acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine dihydrochloride can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine dihydrochloride can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2[1][2][3][4][6].

• HY-19845

  Ordopidine	Antagonist
  Ordopidine is a dopamine D2 receptor antagonist. Ordopidine can inhibit hyperactivity caused by psychostimulants. Ordopidine can be used in neurological research[1].

• HY-107002A

  Lergotrile mesylate	Agonist
  Lergotrile mesylate is a potent and orally active dopamine agonist and a prolactin secretion inhibitor. Lergotrile mesylate inhibits prolactin release from pituitaries by activating an adenohypophyseal dopamine receptor. Lergotrile mesylate has the potential for the research of Parkinson's disease[1][2][3].

• HY-17355S1

  Pramipexole-d5 dihydrochloride	Agonist
  Pramipexole-d5 (dihydrochloride) is deuterium labeled Pramipexole (dihydrochloride). Pramipexole dihydrochloride is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole dihydrochloride can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[1][2][3].

• HY-100648

  Keto Ziprasidone	Antagonist	98.96%
  Keto Ziprasidone is an impurity of Ziprasidone[1]. Ziprasidone, an antipsychotic agent, is a combined 5-HT (serotonin) and dopamine receptor antagonist[2].

• HY-N2003

  D-Tetrahydropalmatine	Antagonist	99.84%
  D-Tetrahydropalmatine is an isoquinoline alkaloid, mainly in the genus Corydalis[1]. D-Tetrahydropalmatine is a dopamine (DA) receptor antagonist with preferential affinity toward the D1 receptors[2]. D-Tetrahydropalmatine is a potent organic cation transporter 1 (OCT1) inhibitor[3].

• HY-119093

  Halopemide	Antagonist
  Halopemide is a potent phospholipase D (PLD) inhibitor, with IC50s of 220 and 310 nM for human PLD1 and PLD2, respectively. Halopemid is a dopamine receptors antagonist, and acts a psychotropic agent[1][2].

• HY-17390

  Loxapine	Inhibitor	99.93%
  Loxapine is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent[1][4].

• HY-119997

  Disulergine	Agonist
  Disulergine (CH 29-717) is an ergot alkaloid. Disulergine is a dopamine receptor agonist. Disulergine inhibits secretion of prolactin in rats. Disulergine inhibits growth hormone (GH) release[1][2][3].

• HY-127086A

  Dicarbine dihydrochloride	Inhibitor
  Dicarbine dihydrochloride blocks dopamine receptors in various brain parts and prevents the depression of the conditioned defence reflexes caused by stimulation of the mesencephalic portion of the reticular formation. Dicarbine dihydrochloride could be used in the schizophrenia and alcoholic psychosis studies[1][2].

• HY-109162

  Trazpiroben	Antagonist
  Trazpiroben (TAK-906) is a dopamine D2/D3 receptor antagonist used for chronic research of moderate-to-severe gastroparesis[1].

• HY-W966282

  Aplindore	Agonist
  Aplindore (DAB-452) is a potent agonist of the dopamine D2 receptor, with the pKi of 9.1. Aplindore plays an important role in Parkinson's disease research[1].

• HY-15780S

  Brexpiprazole-d8	Agonist
  Brexpiprazole-d8 (OPC-34712-d8) is the deuterium labeled Brexpiprazole (HY-15780). Brexpiprazole (OPC-34712), an atypical orally active antipsychotic agent, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM)[2][3].

• HY-106075

  Bromerguride
  Bromerguride (2-Bromolisuride) is an analogue of the ergot dopamine agonist Lisuride (HY-12713). Bromerguride exhibits central antidopaminergic properties[1].

• HY-10847

  SB-277011	Antagonist
  SB-277011 is a potent and delective dopamine D3 receptor antagonist (pKi values are 8.0, 6.0, 5.0 and <5.2 for D3, D2, 5-HT1D and 5-HT1B respectively); brain penetrant.

• HY-121008

  Brl 20596	Antagonist
  Brl 20596 (compound 4a) is a potent central dopamine receptor antagonist and can be used in antipsychotic research[1].

• HY-N0925R

  Tetrahydroberberine (Standard)	Antagonist
  Tetrahydroberberine (Standard) is the analytical standard of Tetrahydroberberine. This product is intended for research and analytical applications. Tetrahydroberberine is a different kind of living thing that can be extended and divided into parts. Tetrahydroberberine is a kind of effective D2 receptor antagonistic force. Tetrahydroberberine has the ability to strengthen the stomach and relieve the pressure on the stomach[1][2][3].

• HY-116016AR

  Etilevodopa hydrochloride (Standard)
  Etilevodopa (hydrochloride) (Standard) is the analytical standard of Etilevodopa (hydrochloride). This product is intended for research and analytical applications. Etilevodopa (L-Dopa ethyl ester) hydrochloride, an ethyl-ester proagent of Levodopa, is rapidly hydrolyzed to Levodopa and ethanol by nonspecific esterases in the gastrointestinal tract. Etilevodopa hydrochloride is used for the treatment of Parkinson disease (PD). Levodopa is the direct precursor of dopamine and is a suitable proagent as it facilitates CNS penetration and delivers dopamine[1][2][3].

• HY-120740

  4-Amino-PPHT	Agonist
  4-Amino-PPHT (Compound 9a) is a PPHT derivative that selectively binds to dopamine D-2 receptors with a Ki value of 6.8 nM[1].

• HY-14542B

  Ziprasidone mesylate trihydrate	Antagonist
  Ziprasidone (CP-88059) mesylate trihydrate is an orally active combined 5-HT and dopamine receptor antagonist[1]. Ziprasidone mesylate trihydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM)[1].

• HY-167636

  7-Hydroxy ropinirole bromide	Agonist
  7-Hydroxy ropinirole (SK&F 89124) bromide is a potent and highly selective DA2 receptor agonist, and a derivative of N,N-di-n-propyldopamine (DPDA). In isolated perfused rabbit ear artery models, 7-Hydroxy ropinirole (bromide) exerts its DA2 agonist effects by inhibiting neurotransmitter release or sympathetic nerve-induced responses. It shows potential for research in the fields of cardiovascular and neurological diseases[1].

• HY-A0163A

  Clopenthixol	Inhibitor
  Clopenthixol is a thiaquinoline compound with inhibitory effects similar to those of phenothiazine antipsychotics. Clopenthixol is an antagonist of D1 and D2 dopamine receptors. Clopenthixol is mainly used to suppress schizophrenia and other mental disorders[1].

• HY-119277

  CJB-090 dihydrochloride
  CJB-090 dihydrochloride is a partial agonist with activity at dopamine D3 receptors. CJB-090 exhibits partial agonist characteristics in vitro. CJB-090 elicits yawning responses only in monkeys with an extensive history of cocaine use. CJB-090 reduces the reinstatement effects of cocaine in reinstatement behaviors induced by cocaine[1].

• HY-14541

  Olanzapine	Antagonist	99.37%
  Olanzapine (LY170053) is a selective, orally active monoaminergic antagonist with high affinity binding to serotonin H1, 5HT2A/2C, 5HT3, 5HT6 (Ki=7, 4, 11, 57, and 5 nM, respectively), dopamine D1-4 (Ki=11 to 31 nM), muscarinic M1-5 (Ki=1.9-25 nM), and adrenergic α1 receptor (Ki=19 nM). Olanzapine is an atypical antipsychotic[1][2].

• HY-114682A

  Lenperone hydrochloride	Antagonist
  Lenperone hydrochloride (AHR 2277) is an antipsychotic compound and a dopamine antagonist. Lenperone hydrochloride reduces gastroesophageal sphincter pressure of healthy dogs. Lenperone hydrochloride can be used for neurological disease research[1][2].

• HY-151515

  Dopamine D2 receptor agonist-2	Agonist
  Dopamine D2 receptor agonist-2 (compound 36) is a potent dopamine D2 receptor biased agonism ligand with an Ki value of 11.2 nM. Dopamine D2 receptor agonist-2 can be used to research antipsychosis[1].

• HY-N0925

  Tetrahydroberberine	Antagonist	98.61%
  Tetrahydroberberine is a different kind of living thing that can be extended and divided into parts. Tetrahydroberberine is a kind of effective D2 receptor antagonistic force. Tetrahydroberberine has the ability to strengthen the stomach and relieve the pressure on the stomach[1][2][3].

• HY-B0274AR

  Chlorprothixene hydrochloride (Standard)	Antagonist
  Chlorprothixene (hydrochloride) (Standard) is the analytical standard of Chlorprothixene (hydrochloride). This product is intended for research and analytical applications. Chlorprothixene hydrochloride is a dopamine and histamine receptors antagonist with Kis of 18 nM, 2.96 nM, 4.56 nM, 9 nM and 3.75 nM for hD1, hD2, hD3, hD5 and hH1 receptors, respectively. Antipsychotic activity[1].

• HY-108698

  Preclamol hydrochloride	Agonist
  Preclamol hydrochloride ((-)-3-PPP hydrochloride) is a selective dopamine autoreceptor agonist. Preclamol hydrochloride has the potential for the research of schizophrenia[1][2].

• HY-100820A

  Sarizotan hydrochloride	Agonist
  Sarizotan hydrochloride is an orally active serotonin 5-HT1A receptor and dopamine receptor agonist. Sarizotan hydrochloride (EMD 128130) exhibits IC50 values of 6.5 nM (rat 5-HT1A), 0.1 nM (human 5-HT1A), 15.1 nM (rat D2), 17 nM (human D2), 6.8 nM (human D3) and 2.4 nM (human D4.2), respectively[1].

• HY-139680

  Dopamine D3 receptor antagonist-1	Antagonist
  Dopamine D3 receptor antagonist-1 is a dopamine D3 receptor-selective or multitarget bitopic ligand (Ki = 1.58 nM) potentially useful for central nervous system disorders.

• HY-B2089

  Cinitapride	Antagonist	98.24%
  Cinitapride is a nonselective 5-HT1 and 5-HT4 receptors agonist and a 5-HT2 and D2 antagonist. Cinitapride can be used in functional dyspepsia (FD) and gastroesophageal reflux disease (GERD) research[1].

• HY-B1904

  Fluphenazine decanoate	Inhibitor
  Fluphenazine decanoate is a dopamine D2 receptor inhibitor, is a long-acting phenothiazine neuroleptic. Fluphenazine can be used for schizophrenia research[1][2][3].

• HY-119069

  FAUC 3019
  FAUC 3019 is a partial agonist of dopamine D(4) receptors and has the activity of promoting penile erection. FAUC 3019 has a strong stimulatory effect on penile erection in male rats at low concentrations. The biological activity of FAUC 3019 makes it a promising compound candidate[1].

• HY-14539S2

  Clozapine-d4	Antagonist	99.82%
  Clozapine-d4 is the deuterium labeled Clozapine. Clozapine is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors[1][2][3][4][5].

• HY-14546R

  Aripiprazole (Standard)	Agonist
  Aripiprazole (Standard) is the analytical standard of Aripiprazole. This product is intended for research and analytical applications. Aripiprazole (OPC-14597), an atypical antipsychotic, is a potent and high-affinity dopamine D2 receptor partial agonist. Aripiprazole is an inverse agonist at 5-HT2B and 5-HT2A receptors and displays partial agonist actions at 5-HT1A, 5-HT2C, D3, and D4 receptors. Aripiprazole can be used for the research of schizophrenia and COVID19[1][2][3][4].

• HY-P10405

  TAT-D1 peptide	Antagonist
  TAT-D1 peptide is a selective D1-D2 heterogeneous antagonist. TAT-D1 peptide destroys the heterodimer of the D1-D2 receptor by interacting with the specific domain of the D2 receptor through its unique amino acid sequence, in particular the two glutamate residues at the C terminal of the D1 receptor. TAT-D1 peptide can be used to study the role of D1-D2 receptor heterodimers in the regulation of depressive and anxiety-like behaviors[1].

• HY-145308

  Heterobivalent ligand-1
  Heterobivalent ligand-1 (compound 26) is a heterobivalent ligand for the Adenosine A 2A-dopamine D 2 receptor heteromer (KDB1 A2AR=2.1 nM, KDB1 D2R= 0.13 nM)[1].

• HY-W152604

  Cyclo(glycyl-L-leucyl)	Inhibitor	99.79%
  Cyclo(glycyl-L-leucyl) (Cyclo(leu-gly)), a neuropeptide, down-regulates dopamine (DA) receptors and attenuates dopaminergic supersensitivity. Cyclo(glycyl-L-leucyl) inhibits the development of Morphine induced pain relief as well as dopamine receptor supersensitivity in rats. Cyclo(glycyl-L-leucyl) has the potential for the prevention of tardive and/or L-DOPA (HY-N0304)-induced dyskinesias[1][2].

• HY-100057

  BMY 28674	Antagonist
  BMY 28674 (6-Hydroxybuspirone) is the active metabolite of the anxiolytic buspirone (HY-B1115A) and is metabolized by CYP3A4.4. BMY 28674 binds to the serotonin (5-HT) receptor subtype 5-HT1A in the rat hippocampus and dorsal raphe (EC50s are 4 and 1 μM, respectively) and is an antagonist of dopamine D2, D3, and D4 receptors (IC50s are 3.1, 4.9, and 0.85 μM, respectively). BMY 28674 also inhibits organic cation transporter 1 (OCT1), OCT2, and OCT3 expressing human transporters in S2 proximal tubule cells in a concentration-dependent manner.

• HY-14544AS

  Quetiapine-d4 hydrochloride	Antagonist
  Quetiapine-d4 (hydrochloride) (ICI204636-d4 (hydrochloride)) is deuterium labeled Quetiapine. Quetiapine (ICI204636) is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1][2].

• HY-W040146R

  Propionylpromazine (hydrochloride) (Standard)	Antagonist
  Propionylpromazine (hydrochloride) (Standard) is the analytical standard of Propionylpromazine (hydrochloride). This product is intended for research and analytical applications. Propionylpromazine hydrochloride (Propiopromazine hydrochloride), a dopamine receptor D2 (DRD2) antagonist, can be used in the research of Parkinson disease[1].

• HY-103104

  Fananserin	Antagonist	99.97%
  Fananserin (RP 62203) is an orally bioavailable, potent and selective 5-hydroxytryptamine2 (5-HT2) receptor antagonist, with a Ki of 0.37 nM for the rat 5-HT2A receptor. Fananserin also is a selective dopamine D4 receptor antagonist, with a Ki of 2.93 nM for the human dopamine D4 receptor[1].

• HY-14544R

  Quetiapine (Standard)	Antagonist
  Quetiapine (Standard) is the analytical standard of Quetiapine. This product is intended for research and analytical applications. Quetiapine (ICI204636) is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1].

• HY-103410

  Carmoxirole hydrochloride	Agonist
  Carmoxirole hydrochloride (EMD 45609 hydrochloride) is a selective, peripherally acting dopamine D2 receptor agonist and exhibits antihypertensive activities in vivo[1].

• HY-108510

  Rimcazole dihydrochloride	Inhibitor	99.96%
  Rimcazole (BW 234U) dihydrochloride is a carbazole derivative that acts in part as a sigma (σ) receptor antagonist. Rimcazole dihydrochloride also binds with moderate affinity to the dopamine transporter and inhibit dopamine uptake. Rimcazole dihydrochloride can reduce locomotor activity and sensitization. Rimcazole dihydrochloride also can be used for the research of cancer[1][2][3][4].

• HY-B1196

  Tiapride hydrochloride	Inhibitor	99.95%
  Tiapride hydrochloride is a selective and orally active D2 and D3 dopamine receptors antagonist with IC50 values of 110-320 nM and 180 nM, respectively. Tiapride hydrochloride shows anti-dyskinetic activity and anxiolytic activity. Tiapride hydrochloride is a neuroleptic agent[1][2].

• HY-15780R

  Brexpiprazole (Standard)	Agonist
  Brexpiprazole (Standard) is the analytical standard of Brexpiprazole. This product is intended for research and analytical applications. Brexpiprazole (OPC-34712), an atypical orally active antipsychotic agent, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM)[1][2].

• HY-109743

  BP14979
  BP14979 is a dopamine D3 receptor agonist with activity in the study of neurological diseases. BP14979 can be used to develop ligands with higher selectivity and affinity for D3 receptors. The structural characteristics of BP14979 make it potential in modulating the efficacy of D3 receptors. The design of BP14979 is based on the difference in efficacy with D3R selective antagonists, providing opportunities for optimizing new drug development[1].

• HY-B0623

  Ropinirole	Agonist
  Ropinirole (SKF 101468) is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole has no affinity for the D1 receptors. Ropinirole has the potential for Parkinson's disease[1][2].

• HY-19489S

  (±)-Levomepromazine-d6	Antagonist
  (±)-Levomepromazine-d6 is the deuterium labeled Methotrimeprazine, which is a D3 dopamine and Histamine H1 receptor antagonist.

• HY-B0532S

  Trifluoperazine-d8	Inhibitor
  Trifluoperazine-d8 is a deuterium labeled Trifluoperazine. Trifluoperazine is an antipsychotic phenothiazine agent and a selective α1-adrenergic receptor antagonist. Trifluoperazine is also a potent dopamine D2 receptor inhibitor [1][2].

• HY-116016A

  Etilevodopa hydrochloride		99.40%
  Etilevodopa (L-Dopa ethyl ester) hydrochloride, an ethyl-ester proagent of Levodopa, is rapidly hydrolyzed to Levodopa and ethanol by nonspecific esterases in the gastrointestinal tract. Etilevodopa hydrochloride is used for the treatment of Parkinson disease (PD). Levodopa is the direct precursor of dopamine and is a suitable proagent as it facilitates CNS penetration and delivers dopamine[1][2][3].

• HY-10121B

  Asenapine citrate	Antagonist
  Asenapine citrate, an atypical antipsychotic, is an antagonist of serotonin receptors (pKi: 8.4-10.5), adrenoceptors (pKi: 8.9-9.5), dopamine receptors (pKi: 8.9-9.4) and histamine receptors (pKi: 8.2-9.0). Asenapine citrate can be used in the research of schizophrenia and bipolar disorder[1][2].

• HY-137447

  Pirepemat	Activator
  Pirepemat (IRL752) is a corticalpreferring catecholamine- and cognition-promoting agent. Pirepemat (IRL752) is used for the study of Parkinson's disease[1][2]. IRL752 is a selective enhancer of cortical dopamine, acetylcholine and norepinephrine[3].

• HY-17355S2

  Pramipexole-d7-1 dihydrochloride
  Pramipexole-d7-1 (dihydrochloride) is the deuterium labeled Pramipexole dihydrochloride[1]. Pramipexole dihydrochloride is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole dihydrochloride can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[2][3][4].

• HY-164009

  Teniloxazine	Inhibitor
  Teniloxazine is an inhibitor for norepinephrine neuronal reuptake and an weak inhibitor for reuptake of Serotonin (HY-B1473A) and Dopamine (HY-B0451). Teniloxazine exhibits antidepressant, antihypoxic and anti-amnestic properties without anticholinergic, sedative, and cardiovascular adverse effects[1].

• HY-116578

  Metopimazine	Antagonist	98.03%
  Metopimazine (EXP999; RP9965) is a phenothiazine, orally available, selective dopamine D2 receptor antagonist that does not penetrate the blood-brain barrier. Metopimazine blocks dopamine D2 receptors in the chemoreceptor trigger zone and the periphery, thereby inhibiting nausea and vomiting. Metopimazine is indicated for chemotherapy-induced nausea and vomiting, and has low central side effects due to its poor brain penetration. The use of metopimazine in acute gastroenteritis may have potential risks[1][2][3].

• HY-U00415

  Benzamide Derivative 1	Antagonist
  Benzamide Derivative 1 is a benzamide derivative from patent EP0213775A1, compound 18. Benzamide Derivative 1 may be useful in treatment of gastrointestinal disorders.

• HY-15856A

  Flupentixol	Antagonist
  Flupentixol is an orally active D1/D2 dopamine receptor antagonist and new PI3K inhibitor (PI3Kα IC50=127 nM). Flupentixol shows anti-proliferative activity to cancer cells and induces apoptosis. Flupentixol can also be used in schizophrenia, anxiolytic and depressive research[1][2][3].

• HY-103418

  Dopamine D2 receptor agonist-3	Modulator
  Dopamine D2 receptor agonist-3 (compound 3) is a selective D2 receptor partial agonist and Dopamine D3 receptor antagonist (with pEC50 of 8.3 and <5.5 respectively)[1].

• HY-B1033

  Metergoline	Antagonist	99.89%
  Metergoline is a serotonin (5-HT) receptor and dopamine receptors antagonist, with pKis of 8.64, 8.75 and 8.75 for 5-HT2A, 5-HT2B and 5-HT2C, respectively. Metergoline is a high-affinity ligand for the h5-HT7 receptor, with a Ki of 16 nM. Metergoline is also a reversible neural Na+ channels inhibitor. Metergoline is commonly used for the research of seasonal affective disorder, prolactin hormone regulation[1][2][3].

• HY-A0007

  Rotigotine Hydrochloride	Agonist
  Rotigotine Hydrochloride (N-0923 Hydrochloride) is a full agonist of dopamine receptor, a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor, with Ki of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors, and dopamine D1 receptor.

• HY-14538A

  Haloperidol hydrochloride	Antagonist
  Haloperidol hydrochloride is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.

• HY-10435

  SKF-82958	Agonist
  SKF-82958 ((±)-SKF 82958) is a dopamine D1 receptor full agonist (K0.5=4 nM), displays selective for D1 over D2 receptors (K0.5=73 nM). SKF-82958 induces dopamine D1 receptor-dependent adenylate cyclase activity in rat striatal membranes (EC50=491 nM)[1].

• HY-14763

  Cariprazine	Modulator	99.83%
  Cariprazine is a novel antipsychotic agent candidate that exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (Ki=0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (Ki=2.6 nM).

• HY-110033

  Ecopipam hydrobromide	Antagonist
  Ecopipam (SCH 39166) hydrobromide is a potent, selective and orally active antagonist of dopamine D1/D5 receptor, with Kis of 1.2 nM and 2.0 nM, respectively. Ecopipam hydrobromide shows more than 40-flod selectivity over D2, D4, 5-HT, and α2a receptor (Ki=0.98, 5.52, 0.08, and 0.73 μM, respectively). Ecopipam hydrobromide can be used for the research of schizophrenia and obesity[1].

• HY-103416

  A-77636 hydrochloride	Agonist
  A-77636 hydrochloride is a potent, orally active, selective and long acting dopamine D1 receptor agonist (pKi=7.40; Ki=39.8 nM) with antiparkinsonian activity. A-77636 hydrochloride is functionally inactive at dopamine D2 receptor[1][2].

• HY-A0163

  Zuclopenthixol	Antagonist	98.08%
  Zuclopenthixol ((Z)-Clopenthixol) is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist[1][2].

• HY-100820R

  Sarizotan (Standard)	Agonist
  Sarizotan (Standard) is the analytical standard of Sarizotan. This product is intended for research and analytical applications. Sarizotan (EMD 128130) is an orally active serotonin 5-HT1A receptor and dopamine receptor agonist. Sarizotan (EMD 128130) exhibits IC50 values of 6.5 nM (rat 5-HT1A), 0.1 nM (human 5-HT1A), 15.1 nM (rat D2), 17 nM (human D2), 6.8 nM (human D3) and 2.4 nM (human D4.2), respectively[1].

• HY-169837

  PD-147693
  PD-147693 (compound II) is an active metabolite of the presynaptic dopamine autoreceptor agonist CI-1007 and has antipsychotic activity similar to CI-1007[1].

• HY-117436

  R(+)-6-Bromo-APB hydrobromide	Agonist
  R(+)-6-Bromo-APB hydrobromide is a dopamine (DA) agonist. R(+)-6-Bromo-APB hydrobromide increased the expression of µ opioid receptor (MOR) mRNA in the nucleus accumbens[1].

• HY-10435AR

  SKF-82958 hydrobromide (Standard)	Agonist
  SKF-82958 (hydrobromide) (Standard) is the analytical standard of SKF-82958 (hydrobromide). This product is intended for research and analytical applications. SKF-82958 ((±)-SKF 82958) hydrobromide is a dopamine D1 receptor full agonist (K0.5=4 nM), displays selective for D1 over D2 receptors (K0.5=73 nM). SKF-82958 hydrobromide induces dopamine D1 receptor-dependent adenylate cyclase activity in rat striatal membranes (EC50=491 nM)[1].

• HY-14539R

  Clozapine (Standard)	Antagonist	99.98%
  Clozapine (Standard) is the analytical standard of Clozapine. This product is intended for research and analytical applications. Clozapine (HF 1854) is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors. Clozapine is a potent antagonist of dopamine D2 with a Ki of 75 nM. Clozapine inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with Kis of 9.5 nM and 4 nM, respectively[1][2][3]. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM)[4].

• HY-B0623AS1

  Ropinirole-d7 hydrochloride
  Ropinirole-d7 (hydrochloride) is the deuterium labeled Ropinirole hydrochloride[1]. Ropinirole (SKF 101468) hydrochloride is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole hydrochloride has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole hydrochloride has no affinity for the D1 receptors. Ropinirole hydrochloride has the potential for Parkinson's disease[2][3].

• HY-A0019R

  Paliperidone (Standard)	Antagonist
  Paliperidone (Standard) is the analytical standard of Paliperidone. This product is intended for research and analytical applications. Paliperidone (9-Hydroxyrisperidone), the major active metabolite of Risperidone, is a dopamine D2 antagonist and 5-HT2A antagonist. Paliperidone is also active as an antagonist at α1 and α2 adrenergic receptors and H1-histaminergic receptors. Paliperidone, a antipsychotic agent, shows efficacy against schizophrenia[1].

• HY-N0304S1

  L-DOPA-13C6
  L-DOPA-13C6 is the 13C-labled L-DOPA[1]. L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease[2][3][4].

• HY-159527

  Glovadalenum	Modulator
  Glovadalenum (Glovadalen) is a dopamine D1 receptor positive allosteric modulator[1].

• HY-B1196R

  Tiapride (hydrochloride) (Standard)	Inhibitor
  Tiapride (hydrochloride) (Standard) is the analytical standard of Tiapride (hydrochloride). This product is intended for research and analytical applications. Tiapride hydrochloride is a selective and orally active D2 and D3 dopamine receptors antagonist with IC50 values of 110-320 nM and 180 nM, respectively. Tiapride hydrochloride shows anti-dyskinetic activity and anxiolytic activity. Tiapride hydrochloride is a neuroleptic agent[1][2].

• HY-B0410R

  Pramipexole (Standard)	Agonist
  Pramipexole (Standard) is the analytical standard of Pramipexole. This product is intended for research and analytical applications. Pramipexole is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[1][2][3].

• HY-12244

  BB-22	Activator
  BB-22 is a cannabinoid wih dopamine (DA) stimulant properties. BB-22 shows affinity to CB1 receptors with a Ki value of 0.11 nM and an EC50 value of 2.9 nM[1].

• HY-B0358A

  Flunarizine dihydrochloride	Antagonist	99.87%
  Flunarizine dihydrochloride is a potent dual Na+/Ca2+ channel (T-type) blocker. Flunarizine dihydrochloride is a D2 dopamine receptor antagonist. Flunarizine dihydrochloride shows anticonvulsive and antimigraine activity, and peripheral vasodilator effects[1][2][3][4][5].

• HY-172425

  Deulumateperone	Modulator
  Deulumateperone is a deuterium labeled Lumateperone (HY-17637). Lumateperone is the orally active 5-HT2A receptor antagonist (Ki = 0.54 nM) and the modulator for dopamine receptor that exhibits antipsychotic and antineoplastic activities[1].

• HY-157563

  Dopamine D4 receptor ligand 2
  Dopamine D4 receptor ligand 2 (compound 17) is a potent and selective dopamine D4 ligand with IC50 values of 0.057, >1000, 220, 270 nM for D4, D2, 5-HT1A, α1, respectively[1].

• HY-103430A

  SKF-83566	Antagonist	99.86%
  SKF-83566 is a potent, blood-brain permeable and orally active D1-like dopamine receptor (D1DR) antagonist and a weaker competitive antagonist at the vascular 5-HT2 receptor (Ki=11 nM)[1][3]. SKF-83566 is a competitive DAT (dopamine transporter) inhibitor with an IC50 of 5.7 μM[2]. SKF-83566 also shows selective inhibition for adenylyl cyclase 2 (AC2) over AC1 and AC5 in the isolated rabbit thoracic aorta[4]. SKF-83566 can be used for research of parkinson’s disease and nicotine craving alleviation[5].

• HY-15780S1

  Brexpiprazole-d8-1
  Brexpiprazole-d8-1 (OPC-34712-d8-1) is the deuterium labeled Brexpiprazole (HY-15780)[1]. Brexpiprazole (OPC-34712), an atypical orally active antipsychotic agent, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM)[2][3].

• HY-W401531S1

  (R)-3-O-Methyldopa-d3 hydrochloride	Inhibitor
  (R)-3-O-Methyldopa-d3 (hydrochloride) is a deuterium labeled (R)-3-O-Methyldopa, and (R)-3-O-Methyldopa is an R-enantiomer of 3-O-Methyldopa. 3-O-Methyldopa is a metabolite of L-DOPA which is formed by catechol-O-methyltransferase (COMT). 3-O-Methyldopa competitively inhibits the pharmacodynamics of L-DOPA and dopamine[1][2].

• HY-21098A

  PD-168077 maleate	Agonist	99.60%
  PD-168077 maleate is a selective dopamine D4 receptor agonist, with a Ki of 9 nM.

• HY-B0274CS

  (E/Z)-Chlorprothixene-d6 hydrochloride
  (E/Z)-Chlorprothixene-d6 hydrochloride is the deuterium labeled (E/Z)-Chlorprothixene hydrochloride[1].

• HY-B1017

  Molindone hydrochloride	Inhibitor	99.78%
  Molindone hydrochloride (EN-1733A) is a therapeutic antipsychotic, used in the treatment of schizophrenia, works by blocking the effects of dopamine in the brain, leading to diminished psychoses.

• HY-123757

  (Rac)-GR218231	Antagonist
  (Rac)-GR218231 is a selective dopamine D3 receptor antagonist with a pKi of 8.9[1].

• HY-139681

  Dopamine D3 receptor antagonist-2	Antagonist
  Dopamine D3 receptor antagonist-2 is a dopamine D3 receptor-selective (Ki = 2.16 nM) or multitarget bitopic ligand potentially useful for central nervous system disorders.

• HY-156239

  Dopamine D3 receptor ligand-5	Agonist
  Dopamine D3 receptor ligand-5 (13a), a Cariprazine (HY-14763) analogue, is a dopamine D3 receptor ligand, with Ki values of 2.85 nM and 0.14 nM for D2R and D3R, respectively[1].

• HY-164819

  UNC10099984A
  UNC10099984A (Compound 6) is a functionally selective ligand for the dopamine D2 receptor, with a Ki value of 4.6 nM and an EC50 value of 6.2 nM for β-arrestin. UNC10099984A can be used for research into central nervous system disorders related to the D2 receptor[1].

• HY-A0081S

  Fluphenazine-d8 dihydrochloride	Inhibitor	99.81%
  Fluphenazine-d8 (dihydrochloride) is the deuterium labeled Fluphenazine dihydrochloride. Fluphenazine dihydrochloride is a phenothiazine-class D1DR and D2DR inhibitor; used to deliver Fluphenazine to biological systems in studies probing the effects and metabolic fates of this commonly used dopamine antagonist.

• HY-B2169

  Melperone	Antagonist	99.24%
  Melperone is a butyrophenone with atypical antipsychotic properties. Melperone is a multireceptor antagonist with Kds of 102 nM, 180 nM, 180 nM, and 150 nM for 5-HT2A, dopamine D2, α1-adrenergic, and α2-adrenergic receptors, respectively. Melperone has weak binding to histamine H1, 5-HT2C, 5-HT1A, 5-HT1D, and muscarinic receptors, with Kd values ​​of 580 nM, 2100 nM, 2200 nM, 3400 nM, >10000 nM, respectively. Melperone is also a CYP2D6 inhibitor. Melperone can be used for the study of schizophrenia, and agitation in the elderly[1][2][3][4].

• HY-116450

  TISCH	Inhibitor
  TISCH is a potent and selective iodinated ligand with high affinity and selectivity for CNS D1 dopamine receptors. TISCH showed a Kd value of 0.205 nM in rat striatal tissue, indicating its effectiveness in biological activity. TISCH is able to easily cross the blood-brain barrier and show distribution in specific areas with D1 receptor density. TISCH is considered to be useful as a pharmacological tool for characterizing D1 dopamine receptors. When labeled with I-123, TISCH has the potential to be used as an in vivo imaging agent for CNS D1 dopamine receptors[1].

• HY-B1470

  Azaperone	Antagonist	99.68%
  Azaperone (R-1929) acts as a dopamine antagonist but also has some antihistaminic and anticholinergic properties. Azaperone is a pyridinylpiperazine and butyrophenone neuroleptic agent with antiemetic effects, which is used mainly as a tranquilizer in veterinary medicine.

• HY-B0901A

  Bromperidol hydrochloride		99.96%
  Bromperidol (R-11333) hydrochloride possesses antipsychotic activity, with a high affinity for central dopamine receptors D2. Bromperidol hydrochloride can kill Mycobacteria in a synergistic manner with Spectinomycin[1][2].

• HY-B1110S

  Nomifensine-d3 maleate	Inhibitor
  Nomifensine-d3 ((±)-Nomifensine-d3) maleate is the deuterium labeled Nomifensine maleate (HY-B1110A). Nomifensine ((±)-Nomifensine) maleate is a potent norepinephrine (NE) and dopamine (DA) reuptake inhibitor. Nomifensine maleate inhibits uptake of NE, DA and 5-HT in rat brain synaptosomes, with IC50 values of 6.6 nM, 48 nM and 830 nM, and Ki values of 4.7 nM, 26 nM and 4000 nM, respectively. Nomifensine maleate has antidepressant and analgesic effects. Nomifensine maleate is used in neurodegenerative diseases, compound addiction, and pain research[1][2][3][4][5][6][7].

• HY-B2089S

  Cinitapride-d5
  Cinitapride-d5 is the deuterium labeled Cinitapride[1].

• HY-B0950

  Mefexamide
  Mefexamide hydrochloride is a particular psychostimulant that is capable of reversing the psychodepressant effects induced by diazepam and benzodiazepine sedatives[1].

• HY-122278

  Melevodopa
  Melevodopa is an effervescent levodopa (HY-N0304) prodrug. Levodopa is an orally active metabolic precursor of neurotransmitters dopamine and has anti-allodynic effects and the potential for Parkinson's disease[1].

• HY-W010265

  Butyrophenone	Antagonist
  Butyrophenone (1-Phenylbutan-1-one) is a dopamine receptor (DA Receptor) antagonist and can be used in research on mental disorders[1][2].

• HY-B1262

  Acetophenazine dimaleate	Inhibitor
  Acetophenazine dimaleate, a phenothiazine derivative, is an antipsychotic agent. Acetophenazine dimaleate primarily blocks dopamine D2 receptors in the brain. Acetophenazine dimaleate can be used for researching psychotic disorders such as schizophrenia and anxious depression[1][2].

• HY-17390B

  Loxapine hydrochloride	Inhibitor
  Loxapine hydrochloride is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent[1][4].

• HY-119183

  A 23887
  A 23887 is a semirigid antipsychotic compound with considerable affinity for dopamine D2 receptor[1].

• HY-A0019A

  Paliperidone palmitate	Antagonist	98.41%
  Paliperidone palmitate is an orally effective competitive antagonist of dopamine D2 receptors and 5-hydroxytryptamine 2A (5-HT2A) receptors that can cross the blood-brain barrier. Paliperidone palmitate competitively inhibits the effects of dopamine and 5-hydroxytryptamine by binding to dopamine D2 receptors and 5-HT2A receptors, regulating the balance of the neurotransmitter system and thus exerting antipsychotic activity. Paliperidone palmitate is mainly used in the research field of schizophrenia[1][2][3].

• HY-147398

  Dopamine D4 receptor antagonist-1	Antagonist	99.17%
  Dopamine D4 receptor antagonist-1 is a selective DRD4 antagonists, with a Ki of 9.0 nM for Hd4.2. Dopamine D4 receptor antagonist-1 can be used in study of schizophrenia[1].

• HY-B1225S

  Promazine-d6 hydrochloride	Antagonist
  Promazine-d6 (hydrochloride) (Romtiazin-d6 (hydrochloride)) is deuterium labeled Promazine (hydrochloride). Promazine (Romtiazin) hydrochloride is an antipsychotic and a dopamine receptor D2 antagonist. Promazine hydrochloride inhibits dopaminergic neurotransmission[1][2].

• HY-14544

  Quetiapine	Antagonist	99.93%
  Quetiapine (ICI204636) is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1].

• HY-42849A

  Sultopride hydrochloride	Antagonist	99.92%
  Sultopride hydrochloride (LIN-1418 hydrochloride) is a selective antagonist of dopamine D2 receptor.

• HY-103408

  PG01037 dihydrochloride	Antagonist	99.35%
  PG01037 (dihydrochloride) is a potent and selective dopamine D3 receptor antagonist with a Ki of 0.7 nM[1].

• HY-141647

  [18F]-Labeled L-dopa precursor
  [18F]-Labeled L-dopa precursor is a precursor for synthesis of 18F-labeled L-dopa extracted from patent WO2014095739A1, example 8[1].

• HY-101622

  5-HT6/7 antagonist 1	Inhibitor
  5-HT6/7 antagonist 1 is a multifunctional ligand that antagonizes 5-HT6/7/2A and D2 receptors, without interacting with M1 receptors and hERG channels.

• HY-123473

  SB-414796	Antagonist
  SB-414796 is a selective, orally active and cross the blood-brain barrier dopamine D3 receptor antagonist with Ki values of 4, 400 nM for D3, D2, respectively[1][2].

• HY-B1233A

  Octodrine hydrochloride	Activator
  Octodrine (2-Amino-6-methylheptane) is a central nervous activator that increases the uptake of dopamine and noradrenaline. Octodrine is found to increase the pain threshold, cardiac rate (positive chronotropic effect) and myocardial contractility (positive inotropic effect)[1].

• HY-149386

  D3R/MOR antagonist 1	Antagonist
  D3R/MOR antagonist 1 (Compound 114) is a D3R/MOR antagonist (Ki: 46.5 nM and 691 nM respectively). D3R/MOR antagonist 1 has the potential to produce analgesic effects through MOR partial agonism, reduce opioid-misuse liability via D3R antagonism[1].

• HY-16567S

  Asenapine-13C,d3 hydrochloride	Antagonist
  Asenapine-13C,d3 (hydrochloride) is the 13C- and deuterium labeled Asenapine (hydrochloride). Asenapine hydrochloride, an antipsychotic, is a 5-HT (1A, 1B, 2A, 2B, 2C, 5A, 6, 7) and Dopamine (D2, D3, D4) receptor antagonist with Ki values of 0.03-4.0 nM for 5-HT and 1.3, 0.42, 1.1 nM for Dopamine receptor, respectively.

• HY-11018

  Risperidone	Antagonist	99.87%
  Risperidone is a serotonin 5-HT2 receptor blocker, P-Glycoprotein inhibitor and potent dopamine D2 receptor antagonist, with Kis of 4.8, 5.9 nM for 5-HT2A and dopamine D2 receptor, respectively.

• HY-12697A

  NGB 2904 hydrochloride	Antagonist
  NGB 2904 hydrochloride is a potent, selective, orally active and brain-penetrated antagonist of dopamine D3 receptor, with a Ki of 1.4 nM. NGB 2904 hydrochloride shows selectivity for D3 over D2, 5-HT2, α1, D4, D1 and D5 receptors (Kis=217, 223, 642, >5000, >10000 and >10000 nM, respectively). NGB 2904 hydrochloride antagonizes Quinpirole-stimulated mitogenesis[1][2].

• HY-111480

  Propionylpromazine	Antagonist
  Propionylpromazine is a dopamine receptor DRD2 antagonist. Propionylpromazine also is an effective tranquillizer. Propionylpromazine can be used in veterinary studies[1][2].

• HY-14545

  Amisulpride	Antagonist	99.92%
  Amisulpride is a dopamine D2/D3 receptor antagonist with Kis of 2.8 and 3.2 nM for human dopamine D2 and D3, respectively.

• HY-15296

  Cabergoline	Agonist
  Cabergoline is an ergot derived-dopamine D2-like receptor agonist that has high affinity for D2, D3, and 5-HT2B receptors (Ki=0.7, 1.5, and 1.2, respectively).

• HY-148867

  UCM-1306	Modulator	99.61%
  UCM-1306 is a potent and orally active human dopamine D1 receptor allosteric modulator (PAM). UCM-1306 increases the endogenous dopamine (DA) maximal effect both in human and mouse D1 receptors. UCM-1306 is not only for improving motor symptoms but also for addressing the key comorbid cognitive impairment associated with long-term Parkinson’s disease (PD)[1].

• HY-14542S

  Ziprasidone-d8	Antagonist
  Ziprasidone-d88 is deuterium labeled Ziprasidone, which is a combined 5-HT (serotonin) and dopamine receptor antagonist which exhibits potent effects of antipsychotic activity.

• HY-106100

  Roxindole	Agonist
  Roxindole (EMD 49980), an indot-alkyl-pipenidine, is a potent agonist at dopamine autoreceptors, with an affinity for the D2-like subtype in the low nanomolar range. Roxindole can be used for the research of positive and negative schizophrenic symptoms. Roxindole is a 5-HT1A agonist and 5-HT uptake inhibitor. Antipsychotic and antidepressant activities[1][2][3].

• HY-119389

  RGH-1756	Antagonist
  RGH-1756 is an atypical antipsychotic that has a strong and selective antagonist activity on human D3 and less pronounced activity on human D2L and 5HT1A receptors[1].

• HY-12701

  U-99194	Antagonist
  U-99194 is a potent and selective D3 receptor antagonist[1].

• HY-B0411AR

  Domperidone (monomaleate) (Standard)	Inhibitor
  Domperidone (monomaleate) (Standard) is the analytical standard of Domperidone (monomaleate). This product is intended for research and analytical applications. Domperidone (R33812) monomaleate is an orally active and selective dopamine-2 receptor antagonist. Domperidone monomaleate acts as an antiemetic and a prokinetic agent through its effects on the chemoreceptor trigger zone and motor function of the stomach and small intestine[1].

• HY-B1240R

  Droperidol (Standard)	Antagonist
  Droperidol (Standard) is the analytical standard of Droperidol. This product is intended for research and analytical applications. Droperidol is a butyrophenone-type Dopamine-2 receptor antagonist.

• HY-115954

  Dopamine D3 receptor ligand-2
  Dopamine D3 receptor ligand-2 (compound 8) is a potent D3 receptor ligand with a Ki of 11.4 nM. Dopamine D3 receptor ligand-2 have high selectivity for D3 over D2 (Ki=1228 nM)[1].

• HY-101220

  RMI-61140	Inhibitor
  RMI-61140 is an orally active neuroleptics. RMI-61140 decreases spontaneous motility and muscle tone in mice. RMI-61140 increases barbit urate-induced sleep and causes eyelid ptosis. RMI-61140 can be used for schizophrenia research[1].

• HY-110000

  (+)-PD 128907 hydrochloride	Agonist	98.92%
  (+)-PD 128907 hydrochloride is a selective dopamine D2/D3 receptor agonist, with Kis of 1.7, 0.84 nM for human and rat D3 receptors, 179, 770 n M for human and rat D3 receptors, respectively.

• HY-103093

  Zotepine	Antagonist	99.85%
  Zotepine, an antipsychotic agent, is a potent antagonist of 5-HT2A, 5-HT2C, Histamine H1, α1-adrenergic and Dopamine D2 receptors, with Kds of 2.6 nM, 3.2 nM, 3.3 nM, 7.3 nM and 8 nM, respectively. Zotepine exhibits antidepressive and anxiolytic effects in vivo[1][2].

• HY-17382S

  Metoclopramide-d3	Antagonist
  Metoclopramide-d3 is deuterium labeled Metoclopramide. Metoclopramide is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis[1][2].

• HY-B0623AS2

  Ropinirole-d3 hydrochloride
  Ropinirole-d3 (hydrochloride) is the deuterium labeled Ropinirole hydrochloride[1]. Ropinirole (SKF 101468) hydrochloride is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole hydrochloride has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole hydrochloride has no affinity for the D1 receptors. Ropinirole hydrochloride has the potential for Parkinson's disease[2][3].

• HY-101747

  ADR 851 free base	Antagonist
  ADR 851 free base is a dopamine D2 receptor antagonist,and can be used in research on antiemetics[1].

• HY-B2073A

  Clocapramine dihydrochloride hydrate	Antagonist
  Clocapramine hydrochloride hydrate is an antagonist of the D2 and 5-HT2A receptors.

• HY-103409

  ABT-724 trihydrochloride	Agonist
  ABT-724 trihydrochloride is a potent and highly selective dopamine D4 receptor agonist with an EC50 of 12.4 nM for human dopamine D4 receptor. ABT-724 trihydrochloride is a potent partial agonist at the rat D4 (EC50 of 14.3 nM) and the ferret D4 receptor (EC50 of 23.2 nM), and has no effect on dopamine D1, D2, D3, or D5 receptors. ABT-724 trihydrochloride could be useful for the treatment of erectile dysfunction and has favorable side-effect profile[1].

• HY-116548

  Nitracaine	Control
  Nitracaine is a structural analog of Dimethocaine (HY-121870), a local anesthetic that inhibits dopamine reuptake through the dopamine transporter[1].

• HY-100665

  Dehydroaripiprazole	Agonist	99.66%
  Dehydroaripiprazole (OPC-14857) is an active metabolite of Aripiprazole (HY-14546) and dopamine D2/D3 receptor partial agonist. Dehydroaripiprazole also has certain affinity for serotonin 5-HT1A, 5-HT2A and 5-HT2B receptors. Dehydroaripiprazole has antipsychotic activity equivalent to Aripiprazole[1][2][3][4][5][6][7][8].

• HY-115895

  Trebenzomine	Inhibitor
  Trebenzomine (CI-686 free base) is a centrally acting psychotropic compound. Trebenzomine has both neuroleptic and stimulant activity. Trebenzomine potentiates Methamphetamine-induced self-stimulation. Trebenzomine reduces septal hyperirritability, suppression of conditioned avoidance behavior, blocks Apomorphine (HY-12723)-induced emesis in dogs[1].

• HY-17366AR

  Clozapine N-oxide dihydrochloride (Standard)	Antagonist
  Clozapine N-oxide (dihydrochloride) (Standard) is the analytical standard of Clozapine N-oxide (dihydrochloride). This product is intended for research and analytical applications. Clozapine N-oxide dihydrochloride is a major metabolite of Clozapine and a human muscarinic designer receptors (DREADDs) agonist. Clozapine N-oxide dihydrochloride activates the DREADD receptor hM3Dq and hM4Di. Clozapine N-oxide dihydrochloride can cross the blood-brain barrier[1][2][3][4]. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist[5][6].

• HY-12236A

  SKF 81297	Agonist	99.86%
  SKF 81297 is a potent and selective dopamine D1 receptor agonist[1].

• HY-126068

  (S)-Amisulpride	Antagonist	99.04%
  (S)-Amisulpride (Esamisulpride) is a potent dopamine D2/D3 receptor antagonist. (S)-Amisulpride is an antagonist at the 5-HT7 receptor with a KI of 900 nM. (S)-Amisulpride has antipsychotic and antidepressant effects[1][2].

• HY-P1444

  Acein	Agonist
  Acein is a novel nonapeptide, H-Pro-Pro-Thr-Thr-Thr-Lys-Phe-Ala-Ala-OH. Acein can promote the release of dopamine. Acein targets angiotensin converting enzyme (ACE I). Angiotensin converting enzyme (ACE I) can be used in nervous system related research[1].

• HY-135525

  Agroclavine	Agonist
  Agroclavine is a natural, clavine type of ergot alkaloid. Agroclavine is a D1 dopamine receptor and α1-adrenoceptor agonist. Agroclavine also has anticancer and antimicrobial activities[1][2].

• HY-100968

  GBR 12783 dihydrochloride	Inhibitor
  GBR 12783 dihydrochloride is a specific, potent and selective dopamine uptake inhibitor that inhibits the [3H]dopamine uptake by rat and mice striatal synaptosomes with IC50s of 1.8 nM and 1.2 nM, respectively. GBR 12783 dihydrochloride can improve memory performance and increase hippocampal acetylcholine release in rats[1][2].

• HY-10861

  D3/5-HT receptor modulator-1	Antagonist	99.75%
  D3/5-HT receptor modulator-1 (compound 5i) is a selective dopamine D3 receptor and 5-HT2A receptor antagonist and a partial 5-HT1A receptor agonist. D3/5-HT receptor modulator-1 shows Ki values of 4.5 nM, 11.9 nM, and 15.3 nM for dopamine D3, 5-HT2A, and 5-HT2A receptors. D3/5-HT receptor modulator-1 has a low affinity for dopamine D2 receptors, 5-HT2C receptors, and hERG channels. D3/5-HT receptor modulator-1 has an atypical antipsychotic profile[1].

• HY-125751

  UCSF924	Agonist
  UCSF924 is a potent and specific dopamine D4 receptor (DRD4) partial agonist with a EC50 of 4.2 nM. UCSF924 has no off-target effects on more than 320 non-olfactory GPCRs. UCSF924 can be used for research in the field of neuropsychiatric diseases[1][2].

• HY-W424918

  Opromazine hydrochloride	Inhibitor
  Opromazine hydrochloride is an antipsychotic medication that exhibits sedative and antiemetic pharmacological effects, making it effective for treating psychiatric disorders such as schizophrenia and psychosis. Opromazine hydrochloride functions by reducing dopaminergic activity through the blockade of dopamine receptors in the brain. Opromazine hydrochloride has been analyzed for its metabolites in various microsomal enzymes, revealing differences in formation rates that underscore the variability of drug-metabolizing enzymes in human liver and placenta microsomes.

• HY-101797

  Veralipride	Antagonist	99.57%
  Veralipride is a D2 receptor antagonist. It is an alternative antidopaminergic treatment for menopausal symptoms.

• HY-21995

  BGC20-761	Antagonist
  BGC20-761 is a selecvtive 5-HT6 and dopamine receptor antagonist (human receptor Ki values: 5-HT6 (20 nM), 5-HT2A (69 nM), D2 (140 nM). BGC20-761, can enhance long-term memory. BGC20-761 has potential utility as an antipsychotic agent[1].

• HY-A0040

  Talipexole	Agonist
  Talipexole (B-HT920) is a dopamine agonist that has been proposed as an antiparkinsonian agent.

• HY-B0031

  Quetiapine hemifumarate	Antagonist	99.94%
  Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[1].

• HY-15780

  Brexpiprazole	Agonist	99.64%
  Brexpiprazole (OPC-34712), an atypical orally active antipsychotic agent, is a partial agonist of human 5-HT1A and dopamine D2L receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM. Brexpiprazole also shows potent antagonist activity at human noradrenergic α1B (Ki=0.17 nM) and α2C receptors (Ki=0.59 nM)[1][2].

• HY-103414S

  Raclopride-d5 hydrochloride	Antagonist	99.82%
  Raclopride-d5 (hydrochloride) is the deuterium labeled Raclopride. Raclopride is a dopamine D2/D3 receptor antagonist, which binds to D2 and D3 receptors with dissociation constants (Kis) of 1.8 nM and 3.5 nM, respectively, but has a very low affinity for D1 and D4 receptors with Kis of 18000 nM and 2400 nM, respectively[1][2].

• HY-12705AR

  Bromocriptine (mesylate) (Standard)	Agonist
  Bromocriptine (mesylate) (Standard) is the analytical standard of Bromocriptine (mesylate). This product is intended for research and analytical applications. Bromocriptine mesylate is a potent dopamine D2/D3 receptor agonist, which binds D2 dopamine receptor with pKi of 8.05±0.2.

• HY-107969

  Haloperidol decanoate	Antagonist	99.67%
  Haloperidol decanoate shows antipsychotic activity. Haloperidol decanoate can be used in schizophrenia and schizoaffective disorder research[1].

• HY-101078A

  (±)-Epibatidine dihydrochloride	Inhibitor
  (±)-Epibatidine (CMI 545) dihydrochloride is an agonist of nicotinic with potent analgetic activity. (±)-Epibatidine (CMI 545) dihydrochloride is an alkaloid originally characterized from frog skin. (±)-Epibatidine (CMI 545) dihydrochloride have little or no activity at a variety of other central receptors, including opioid receptors, muscarinic receptors, adrenergic receptors, dopamine receptors, serotonin receptors, and gamma-aminobutyric acid receptors[1].

• HY-137254

  SKF-80723	Agonist
  SKF-80723 is a D1 receptor agonist and can be used for study of Parkinson's disease[1][2].

• HY-124583

  PF-4363467	Antagonist
  PF-4363467, a dopamine D3/D2 receptor antagonist, attenuates opioid drug-seeking behavior without concomitant D2 side effects. PF-4363467 exhibits Ki values of 3.1 nM and 692 nM for D3R and D2R[1].

• HY-P3294

  Onzigolide	Agonist
  Onzigolide (BIM-23A760), a chimeric dopamine-somatostatin compound, shows potent agonist activity at both DA type 2 (D2R) and SST type 2 (SSTR2) receptors[1][2].

• HY-129507

  Aplindore fumarate	Agonist
  Aplindore fumarate (DAB-452 fumarate) is a dopamine D2 receptor partial agonist. Aplindore fumarate could be used in studies of Parkinson's disease and schizophrenia[1].

• HY-A0008

  Talipexole dihydrochloride	Agonist	99.80%
  Talipexole dihydrochloride (B-HT 920 dihydrochloride) is a dopamine D2 receptor agonist, α2-adrenoceptor agonist and 5-HT3 receptor antagonist, which displays antiParkinsonian activity.

• HY-145906

  D4R antagonis-2	Antagonist
  D4R antagonist-2 is a potent and selective D4R antagonist with an IC50 of 6.52 µM. D4R antagonist-2 displays very favorable in vitro PK parameters and has good brain penetration. D4R antagonist-2 has the potential for the research of Parkinson’s disease[1].

• HY-13720S

  Pergolide-d7 hydrochloride	Agonist
  Pergolide-d7 hydrochloride is deuterated labeled Pergolide (HY-13720). Pergolide (LY127809 (free base)) is an ergot-derived orally active dopamine receptor agonist. Pergolide can be used for Parkinson disease research[1].

• HY-B0358AS

  Flunarizine-d8 dihydrochloride	Antagonist
  Flunarizine-d8 dihydrochloride is deuterated labeled Flunarizine dihydrochloride (HY-B0358A). Flunarizine dihydrochloride is a potent dual Na+/Ca2+ channel (T-type) blocker. Flunarizine dihydrochloride is a D2 dopamine receptor antagonist. Flunarizine dihydrochloride shows anticonvulsive and antimigraine activity, and peripheral vasodilator effects[1][2][3][4][5].

• HY-N5140

  Bacopaside X	Inhibitor
  Bacopaside X is found in Bacopa monnieri, and shows a binding affinity toward the D1 receptor[1].

• HY-P1764

  Secretoneurin, rat	Activator	99.59%
  Secretoneurin, rat, a 33-amino acid polypeptide, is generated by proteolytic processing of secretogranin II (SgII). Secretoneurin, rat induces dopamine release in the rat striatum in vivo and in vitro, and it exerts a very strong chemotactic effect on monocytes and eosinophils but not on granulocytes[1].

• HY-N3945R

  Glaucine (Standard)	Antagonist
  Glaucine (Standard) is the analytical standard of Glaucine. This product is intended for research and analytical applications. Glaucine (O,O-Dimethylisoboldine) is an alkaloid isolated from Glaucium flavum with antitussive, bronchodilation and anti-inflammatory properties. Glaucine is a selective and orally active phosphodiesterase 4 (PDE4) inhibitor with Kis of 3.4 μM in human bronchus and polymorphonuclear leukocytes. Glaucine is also a non-selective α-adrenoceptor antagonist, a Ca2+ entry blocker, and a weak dopamine D1 and D2 receptor antagonist. Glaucine has antioxidative and antiviral activities[1][2][3].

• HY-12237

  SKF 38393 hydrobromide	Agonist
  SKF 38393 ((±)-SKF-38393) hydrobromide is a selective agonist of the dopamine D1 receptor (D1DR) with an IC50 of 110 nM[1].

• HY-108237

  Naxagolide	Agonist	99.81%
  Naxagolide ((+)-PHNO; Dopazinol) is a potent dopamine D2 (Dopamine Receptor) agonist. Naxagolide has the potential for the research of parkinson's disease (PD)[1][2].

• HY-100658

  Didesmethyl cariprazine	Modulator	99.79%
  Didesmethyl cariprazine is a metabolite of Cariprazine and acts as the predominant circulating active moiety. Didesmethyl cariprazine has a long half-life of 1-3 weeks. Cariprazine is a antipsychotic agent candidate that exhibits high affinity for the D3 and D2 receptors, and moderate affinity for the 5-HT1A receptor[1].

• HY-14539B

  Clozapine dihydrochloride	Antagonist
  Clozapine (HF 1854) dihydrochloride is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors. Clozapine is a potent antagonist of dopamine D2 with a Ki of 75 nM. Clozapine inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with Kis of 9.5 nM and 4 nM, respectively[1][2][3]. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM)[4].

• HY-158243

  Fallypride precursor	Antagonist	98.92%
  Fallypride precursor (Compound 15) can be used for synthesis of Fallypride (HY-135497). Fallypride is an antagonist of the dopamine D2/D3 receptor. Fallypride can be used as a positron emission tomography (PET) radiotracer when labeled with 18F[1].

• HY-129890

  7-Hydroxy-PIPAT	Agonist
  7-Hydroxy-PIPAT (compound 2) is a D3R agonist. 7-Hydroxy-PIPAT is a high affinity to D3 dopamine receptor with Ki value of 0.99 nM[1].

• HY-118209

  L 646462	Antagonist
  L-646462 is an antagonist of dopamine and 5-HT, with selectivity for the peripheral system (the central/peripheral activity ratio of L-646462 is 143). L-646462 can be used in research related to nausea, vomiting, and associated neurological disorders[1].

• HY-B0732AS

  Itopride-d6	Inhibitor
  Itopride-d6 (HSR803-d6 (free base)) is deuterium labeled Itopride. Itopride (HSR803 free base) is a potent and orally active dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride enhances gastric motility through both antidopaminergic and anti-acetylcholinesterasic actions, can be used as a gastrointestinal prokinetic agent. Itopride can be used for researching gastro-esophageal reflux disease (GERD)[1].

• HY-10435A

  SKF-82958 hydrobromide	Agonist	99.82%
  SKF-82958 ((±)-SKF 82958) hydrobromide is a dopamine D1 receptor full agonist (K0.5=4 nM), displays selective for D1 over D2 receptors (K0.5=73 nM). SKF-82958 hydrobromide induces dopamine D1 receptor-dependent adenylate cyclase activity in rat striatal membranes (EC50=491 nM)[1].

• HY-B0732A

  Itopride	Inhibitor
  Itopride (HSR803 free base) is a potent and orally active dopamine-2 antagonist and an acetylcholine esterase (AChE) inhibitor. Itopride enhances gastric motility through both antidopaminergic and anti-acetylcholinesterasic actions, can be used as a gastrointestinal prokinetic agent. Itopride can be used for researching gastro-esophageal reflux disease (GERD)[1].

• HY-P10435

  KEMPFPKYPVEP	Agonist
  KEMPFPKYPVEP is a 12-amino acids neuropeptide, which upregulates levels of dopamine (DA) and norepinephrine (NE) in the prefrontal cortex, exhibits spatial and object recognition memory promoting ability in Scopolamine (HY-N0296)-induced amnesia mouse model[1].

• HY-14538S3

  Haloperidol-13C6	Antagonist
  Haloperidol-13C6 is the 13C6 labeled Haloperidol. Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.

• HY-149247

  Antipsychotic agent-2	Antagonist
  Antipsychotic agent-2 (Compound 11) is a potent antipsychotic agent. Antipsychotic agent-2 shows affinities for 5-HT1A, 5-HT2A, 5-HT2C, D2 and H1 receptors with Kis of 56.6, 66.7, 552, 596 and 1140 nM, respectively. Antipsychotic agent-2 has BBB permeability[1].

• HY-B0927R

  Hydrastine (Standard)	Inhibitor
  Hydrastine (Standard) is the analytical standard of Hydrastine (HY-B0927). This product is intended for research and analytical applications. Hydrastine ((-)-β-Hydrastine; (1R,9S)-β-Hydrastine) is a selective competitive inhibitor of tyrosine hydroxylase (TH), inhibiting dopamine biosynthesis (IC50=20.7 μM, PC12 cells). Hydrastine also inhibits the organic cation transporter OCT1 (IC50=6.6 μM). Hydrastine may cause neuronal toxicity through mitochondrial dysfunction rather than oxidative stress damage, and can aggravate cell apoptosis when combined with L-DOPA. Hydrastine can be used to study Parkinson's disease-related dopaminergic neuronal damage[1][2].

• HY-A0125

  Alizapride	Antagonist
  Alizapride is a potent antiemetic, acting as a dopamine receptor antagonist. Alizapride also used in human digestive disorders[1][3].

• HY-103407

  PD 168568	Antagonist
  PD 168568 is a orally active and potent dopamine receptor D4 (DRD4) antagonist. PD 168568 contains an isoindolinone and is selective for the D4 receptor versus D2 and D3, with Ki values of 8.8, 1842, and 2682 nM, respectively. PD 168568 can be used for glioblastoma (GBM) research[1][2].

• HY-B0735AR

  Fenoldopam (mesylate) (Standard)	Agonist
  Fenoldopam (mesylate) (Standard) is the analytical standard of Fenoldopam (mesylate). This product is intended for research and analytical applications. Fenoldopam mesylate (SKF-82526) is a D1 receptor agonist and a novel lysine-specific demethylase 1 (LSD1) inhibitor (IC50=0.8974 μM). Fenoldopam mesylate shows anti-hypertensive effects, anti-cancer cell proliferation activity and can induce cells apoptosis[1][2][3].

• HY-116916S

  Acetophenazine-d4 dimaleate
  Acetophenazine-d4 (dimaleate) is the deuterium labeled Acetophenazine dimaleate[1].

• HY-W114750

  MPTP
  MPTP (1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine) is a brain penetrant dopamine neurotoxin. MPTP can be used to induce Parkinson’s Disease model. MPTP, a precusor of MPP+, induces apoptosis[1][2][3].

• HY-109112

  Brilaroxazine	Agonist	98.82%
  Brilaroxazine (RP5603) is a potent and orally active multimodal dopamine (DA)/serotonin (5-HT) modulator. Brilaroxazine is a partial agonist of dopamine (DA) D2, D3, and D4 receptors, 5-HT1A (Ki=1.5 nM) and 5-HT2A (Ki=2.5 nM), and has antagonist activity at 5-HT2B (Ki=0.19 nM), and 5-HT7 (Ki=2.7 nM) receptors[1]. Brilaroxazine is an atypical antipsychotic agent, and has the potential to improve cognitive impairments in neuropsychiatric and neurological diseases in vivo[2].

• HY-12705

  Bromocriptine	Agonist
  Bromocriptine is a potent dopamine D2/D3 receptor agonist, which binds D2 dopamine receptor with pKi of 8.05±0.2.

• HY-19654

  GSK598809	Antagonist	99.74%
  GSK598809 is a potent and selective dopamine D3 Receptor (DRD3) antagonist, with a pKi of 8.9.

• HY-B1017R

  Molindone (hydrochloride) (Standard)	Inhibitor
  Molindone (hydrochloride) (Standard) is the analytical standard of Molindone (hydrochloride). This product is intended for research and analytical applications.

• HY-N3237

  Mulberrofuran H	Inhibitor
  Mulberrofuran H is a 2-arylbenzofuran derivative from the cultivated mulberry tree (Morus lhou (ser.) Koidz.). Mulberrofuran H demonstrates potent inhibition against substrates L-tyrosine (IC50=4.45 µM) and L-DOPA (IC50=19.70 µM). Mulberrofuran H also shows potent anti-inflammatory and antioxidative activities[1][2][3].

• HY-145454

  (R)-Preclamol		99.56%
  (R)-Preclamol is a dopamine (DA) agonist with autoreceptor as well as postsynaptic receptor stimulatory properties. (R)-Preclamol inhibits the locomotor activity of mice and rats in low doses[1].

• HY-A0172

  Captodiame	Agonist
  Captodiame (Captodiamine) is a 5-HT2c receptor antagonist and sigma-1 and D3 dopamine receptor agonist. Captodiame shows antidepressant effect[1].

• HY-101619A

  Abaperidone hydrochloride	Antagonist
  Abaperidone hydrochloride is a potent antagonist of 5-HT2A receptor and dopamine D2 receptor with IC50s of 6.2 and 17 nM.

• HY-123440

  S3608	Agonist
  S3608 is an atypical dopamine agonist. S3608 dose dependently increase locomotor activity (LA) in rats[1].

• HY-19875

  Seridopidine	Antagonist
  Seridopidine is an orally active dopamine-like compound. Seridopidine can be used in research related to the nervous system[1].

• HY-N0049R

  Nuciferine (Standard)	Agonist
  Nuciferine (Standard) is the analytical standard of Nuciferine. This product is intended for research and analytical applications. Nuciferine is an antagonist at 5-HT2A (IC50=478 nM), 5-HT2C (IC50=131 nM), and 5-HT2B (IC50=1 μM), an inverse agonist at 5-HT7 (IC50=150 nM), a partial agonist at D2 (EC50=64 nM), D5 (EC50=2.6 μM) and 5-HT6 (EC50=700 nM), an agonist at 5-HT1A (EC50=3.2 μM) and D4 (EC50=2 μM) receptor.

• HY-14325B

  L-745870 hydrochloride	Antagonist	99.91%
  L-745870 hydrochloride is a potent, selective, brain-penetrant and orally active dopamine D4 receptor antagonist with a Ki of 0.43 nM. L-745870 hydrochloride shows weaker affinity for D2 (Ki of 960 nM) and D3 (Ki of 2300 nM) receptors, and exhibits moderate affinity for 5-HT2 receptors, sigma sites and α-adrenoceptors[1][2][3].

• HY-B1371

  Spiperone	Antagonist
  Spiperone (Spiroperidol) is a potent dopamine D2, serotonin 5-HT1A, and serotonin 5-HT2A antagonist. Spiperone is also a labelled ligand for neuroleptic receptors. Spiperone enhances intracellular calcium level and inhibits the Wnt signaling pathway. Spiperone has the potential for the research of neurology diseases[1][2][3][4].

• HY-169136

  U 101958	Agonist
  U 101958 is full Dopamine D4 receptor agonist, with a pEC50 of 8.7 in HEK293/D4 cells [1].

• HY-14542C

  Ziprasidone mesylate	Antagonist
  Ziprasidone (CP-88059) mesylate is an orally active combined 5-HT and dopamine receptor antagonist[1]. Ziprasidone mesylate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM)[1].

• HY-15238

  ST-836	Agonist
  ST-836 is a dopamine receptor ligand; Antiparkinsonian agent.

• HY-144291

  LY3154885	Agonist
  LY3154885 is an orally active dopamine D1 receptor positive allosteric modulator (PAM). LY3154885 has an improved agent-agent interactions (DDI) risk profile[1].

• HY-123676

  Sonepiprazole mesylate	Antagonist
  Sonepiprazole mesylate is a selective D4 dopamine antagonist with Kis of 3.6, 10.1, 5147, and 7430 nM for rD4-Dopamine, hD4.2-Dopamine, rD2-Dopamine, and Histamine-H1 receptors, respectively[1].

• HY-B1233

  Octodrine	Activator
  Octodrine (2-Amino-6-methylheptane) is a central nervous stimulant that increases the uptake of dopamine and noradrenaline. Octodrine is found to increase the pain threshold, cardiac rate (positive chronotropic effect) and myocardial contractility (positive inotropic effect)[1].

• HY-164703

  Lumateperone metabolite 1	Control
  Lumateperone metabolite 1 (Formula T) is a metabolite of Lumateperone (HY-17637)[1]. Lumateperone (ITI-007) is an orally active 5-HT2A receptor antagonist (Ki = 0.54 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki = 32 nM), and a dopamine D1 receptor modulator[2][3]

• HY-B0965AS

  Thioridazine-d3 hydrochloride	Antagonist	99.19%
  Thioridazine-d3 (hydrochloride) is the deuterium labeled Thioridazine. Thioridazine, an antagonist of the dopamine receptor D2 family proteins, exhibits potent anti-psychotic and anti-anxiety activities. Thioridazine is also a potent inhibitor of PI3K-Akt-mTOR signaling pathways with anti-angiogenic effect. Thioridazine shows antiproliferative and apoptosis induction effects in various types of cancer cells, with specificity on targeting cancer stem cells (CSCs)[1][2][3][4].

• HY-119076

  A31472	Antagonist
  A31472 is a dopamine D-2 receptors antagonist that is promising for research of antipsychotic agents[1].

• HY-B2073

  Clocapramine	Antagonist
  Clocapramine is an antagonist of the D2, 5-HT2A receptors.

• HY-101619

  Abaperidone	Antagonist
  Abaperidone is a potent antagonist of 5-HT2A receptor and dopamine D2 receptor with IC50s of 6.2 and 17 nM.

• HY-U00077

  Org-10490	Antagonist
  Org-10490 is an antagonist of dopamine D1 receptor and dopamine D2 receptor, used for the treatment for psychiatric disease.

• HY-101641

  NRA-0160	Antagonist
  NRA-0160 is a selective dopamine D4 receptor antagonist, with a Ki value of 0.48 nM and with negligible affinity for dopamine D2 receptor (Ki: >10000 nM), D3 receptor (Ki: 39 nM), rat 5-HT2A receptor (Ki: 180 nM) and rat α1 adrenoceptor (Ki: 237 nM).

• HY-101583

  NEO 376	Modulator	99.23%
  NEO 376 is a selective modulator of 5-HT1 receptor, GABA receptor and dopamine receptor, with anti-psychotic actively.

• HY-19483

  ABT-670	Agonist
  ABT-670 is a selective, oral bioavailable agonist of dopamine D4 receptor, with EC50 of 89 nM, 160 nM, and 93 nM for human D4, ferret D4, and rat D4, respectively.

• HY-13736

  Quinagolide
  Quinagolide (CV205-502) is a non-ergot dopamine D(2) receptor agonist that promotes dopamine activity. Quinagolide has shown effectiveness in modulating endocrine function, particularly in inhibiting disorders associated with dopamine deficiency. Quinagolide is used to suppress hyperprolactinemia and corresponding clinical symptoms, showing good efficacy. Quinagolide's biological activity enables its use as an important research compound in drug isolation and analysis[1].

• HY-B0451

  Dopamine
  Dopamine is a catecholamine neurotransmitter that is produced in the substantia nigra, ventral tegmental area, and hypothalamus of the brain. Dopamine plays several important roles in the brain and body[1]. Dopamine acts through D2 dopamine receptors to induce endocytosis of VEGFR2, which is critical for promoting angiogenesis[1].

• HY-B1225

  Promazine hydrochloride	Antagonist	99.87%
  Promazine (Romtiazin) hydrochloride is an antipsychotic and a dopamine receptor D2 antagonist. Promazine hydrochloride inhibits dopaminergic neurotransmission[1][2].

• HY-149337

  D3R ligand 1
  D3R ligand 1 (compound 23b) is a potent and selective ligand of dopamine receptor D3R (Ki=66 nM), containing a THPB template. D3R ligand 1 is also an antagonist for both G-protein- and β-arrestin-based signaling[1].

• HY-N0300R

  Tetrahydropalmatine (Standard)	Inhibitor
  Tetrahydropalmatine (Standard) is the analytical standard of Tetrahydropalmatine. This product is intended for research and analytical applications. Tetrahydropalmatine possesses analgesic effects. Tetrahydropalmatine acts through inhibition of amygdaloid release of dopamine to inhibit an epileptic attack in rats[1].

• HY-103415

  Nemonapride	Antagonist	99.90%
  Nemonapride is a highly potent dopamine D2 receptor antagonist with a Ki of 0.06 nM. Nemonapride also activates 5-HT1A receptor with an IC50 of 34 nM. Nemonapride is an antipsychotic that readily passes through the blood brain barrier and exhibits potent neuroleptic effects in animals[1][2][3].

• HY-141496

  A-77636	Agonist
  A-77636 is an orally active, potent, selective and long-acting dopamine D1 receptor agonist (pEC50 = 8.13; EC50 = 1.1 nM). A-77636 shows the highest affinity (pKi = 7.40 ± 0.09; Ki = 39.8 nM) for the dopamine D1 receptor. A-77636 shows antiparkinsonian activity[1].

• HY-116773

  A-69024	Antagonist
  A-69024 is a selectivity dopamine D-1 receptor antagonist with the Ki values of 12.6 nM and 1290 nM for dopamine D-1 receptor and dopamine D-2 receptor, respectively[1].

• HY-125043

  SKF-75670 hydrobromide	Agonist	99.83%
  SKF-75670 hydrochloride is a Dopamine D1 receptor partial agonist. SKF-75670 hydrochloride is also a Cocaine antagonist[1][2][3].

• HY-116181

  YQA14		98.62%
  YQA14 is a high affinity dopamine D3 receptor antagonist. YQA14 is anti-opioid addiction agent. YQA14 inhibits Morphine/Cocaine-induced conditioned place preference (CPP) in animals[1][2].

• HY-19545A

  SCH-23390 hydrochloride	Antagonist	99.77%
  SCH-23390 hydrochloride (R-(+)-SCH-23390 hydrochloride) is a potent and selective dopamine D1-like receptor antagonist with Kis of 0.2 nM and 0.3 nM for the D1 and D5 receptor, respectively. SCH-23390 hydrochloride is a potent and high efficacy human 5-HT2C receptor agonist with a Ki of 9.3 nM. SCH-23390 hydrochloride also binds with high affinity to the 5-HT2 and 5-HT1C receptors. SCH-23390 hydrochloride inhibits G protein-coupled inwardly rectifying potassium (GIRK) channels with an IC50 of 268 nM[1][2][3].

• HY-B1240

  Droperidol	Antagonist
  Droperidol (Dehydrobenzperidol) is a butyrophenone pamine-2 receptor antagonist that inhibits the activation of GABA(A) and neuronal nicotinic receptors (nAChR), with IC50 values of 12.6 nM and 5.8 μM. Droperidol has anesthetic and sedative properties[1][2].

• HY-A0077S2

  Perphenazine-d6 fumarate	Antagonist
  Perphenazine-d6 (fumarate) is a deuterated labeled Perphenazine[1]. Perphenazine is an orally active dopamine receptor and histamine-1 receptor antagonist, with Ki values of 0.56 nM (D2), 0.43 nM (D3), 6 nM (5-HT2A), respectively. Perphenazine also binds to Alpha-1A adrenergic receptor. Perphenazine inhibits cancer cell proliferation, and induces apoptosis. Perphenazine can be used in the research of mental disease, cancer, inflammation[2][4][6].

• HY-103412

  SKF 83959 hydrobromide	Agonist
  SKF83959 hydrobromide is a potent and selective dopamine D1-like receptor partial agonist. SKF83959 hydrobromide Ki values for rat D1, D5, D2 and D3 receptors are 1.18, 7.56, 920 and 399 nM, respectively. SKF83959 hydrobromide is a potent allosteric modulator of sigma (σ)-1 receptor. SKF83959 hydrobromide belongs to benzazepine family and has improvements on cognitive dysfunction. SKF83959 hydrobromide can be used for the research of Alzheimer's disease and depression[1][2][3][4].

• HY-A0077A

  Perphenazine dihydrochloride	Antagonist
  Perphenazine dihydrochloride is an orally active dopamine receptor and histamine-1 receptor antagonist, with Ki values of 0.56 nM (D2), 0.43 nM (D3), 6 nM (5-HT2A), respectively. Perphenazine dihydrochloride also binds to Alpha-1A adrenergic receptor. Perphenazine dihydrochloride inhibits cancer cell proliferation, and induces apoptosis. Perphenazine dihydrochloride can be used in the research of mental disease, cancer, inflammation[1][3][5].

• HY-A0163BR

  Zuclopenthixol (dihydrochloride) (Standard)	Antagonist
  Zuclopenthixol (dihydrochloride) (Standard) is the analytical standard of Zuclopenthixol (dihydrochloride). This product is intended for research and analytical applications. Zuclopenthixol ((Z)-Clopenthixol) dihydrochloride is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist. Zuclopenthixol dihydrochloride is used in the study of schizophrenia[1][2][3].

• HY-B0410

  Pramipexole	Agonist	99.95%
  Pramipexole is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[1][2][3].

• HY-116445

  UNC9975	Agonist
  UNC9975 is a D2R agonist that displays signaling bias via β-arrestin–ergic signaling and a simultaneously antagonist of Gi-regulated cAMP production and partial agonist for D2R/β-arrestin-2 interactions. UNC9975 can be utilized in antipsychotic research[1].

• HY-15296S1

  Cabergoline-d6	Agonist
  Cabergoline-d6 is deuterium labeled Cabergoline. Cabergoline is an ergot derived-dopamine D2-like receptor agonist that has high affinity for D2, D3, and 5-HT2B receptors (Ki=0.7, 1.5, and 1.2, respectively).

• HY-17637S2

  Lumateperone-d4
  Lumateperone-d4 (ITI-007-d4) is deuterium labeled Lumateperone. Lumateperone (ITI-007) is an orally active 5-HT2A receptor antagonist (Ki = 0.54 nM), a partial agonist of presynaptic D2 receptors and an antagonist of postsynaptic D2 receptors (Ki = 32 nM), and a dopamine D1 receptor modulator. Lumateperone has anticancer activity and can also be used for the study of schizophrenia and bipolar depression[1][2][3].

• HY-159942

  5-HT7R antagonist 3	Modulator
  5-HT7R antagonist 3 (Compound 6.4) is a selective 5-HT7R antagonist (Ki: 8 nM), with Ki of 511 nM (D2), 8930 nM (5-HT1A) and 5786 nM (5-HT2A), respectively. 5-HT7R antagonist 3 possesses antidepressant and anxiolytic effects in mice[1].

• HY-W664041

  Noncatechol agonist-1
  Noncatechol agonist-1 (19) is a Noncatechol agonist with full efficacy at both D1R-G protein and D1R-β-arrestin2 pathways, with pEC50 values of 8.41 for D1R-mediated cAMP production and 7.7 for β-arrestin2 recruitment, respectively[1].

• HY-14543

  Sertindole	Antagonist	99.92%
  Sertindole (Lu 23-174) is an orally active 5-HT2A, 5-HT2C, dopamine D2, and αl-adrenergic receptors antagonist. Sertindole shows antipsychotic activity and anti-proliferative activity to multiple cancer cells[1][2][3].

• HY-14793

  Lensiprazine	Antagonist
  Lensiprazine is a potent dopamine D2 receptor (D2R) antagonist that acts as a serotonin reuptake inhibitor. Lensiprazine can be used to study bipolar disorder and schizophrenia[1][2][3].

• HY-103423

  PAOPA	Modulator
  PAOPA, an analog of L-proline-l-leucine-glycine amide (PLG) peptide, is an allosteric modulator of Dopamine D2 Receptor. PAOPA can effectively reduce behavioral abnormalities in rodent models of schizophrenia. PAOPA increases the high affinity dopamine D2 receptor and promotes its binding to agonists[1].

• HY-116016R

  Etilevodopa (Standard)
  Chlorbenside (Standard) is the analytical standard of Chlorbenside. This product is intended for research and analytical applications. Chlorbenside is an organochlorine pesticide. Chlorbenside targets organism such as mites and ticks and possesses efficient ovicidal and larvicidal activities[1].

• HY-106889

  Zelandopam free base	Agonist
  Zelandopam free base (YM435 free base) is an orally active and selective agonist of the dopamine D1 receptor. Zelandopam free base possesses potent renal vasodilatory properties and can effectively alleviate cisplatin (HY-17394)-induced acute renal failure[1].

• HY-B1164

  Bromopride	Antagonist	99.87%
  Bromopride is a dopamine antagonist with prokinetic properties, widely used as an antiemetic.

• HY-W344044

  Levomepromazine maleate	Antagonist	99.92%
  Levomepromazine maleate (Methotrimeprazine maleate) is an N-substituted phenylthiazine antipsychotic sedative that blocks multiple receptors. Levomepromazine maleate is a potent inhibitor of CYP2D6 and is useful in the study of schizophreni[1][2].

• HY-B1110A

  Nomifensine maleate	Inhibitor	98.79%
  Nomifensine ((±)-Nomifensine) maleate is a potent norepinephrine (NE) and dopamine (DA) reuptake inhibitor. Nomifensine maleate inhibits uptake of NE, DA and 5-HT in rat brain synaptosomes, with IC50 values of 6.6 nM, 48 nM and 830 nM, and Ki values of 4.7 nM, 26 nM and 4000 nM, respectively. Nomifensine maleate has antidepressant and analgesic effects. Nomifensine maleate is used in neurodegenerative diseases, compound addiction, and pain research[1][2][3][4][5][6][7].

• HY-W010388

  Creatine	Modulator
  Creatine, an endogenous amino acid derivative, plays an important role in cellular energy, especially in muscle and brain.

• HY-107969R

  Haloperidol decanoate (Standard)	Inhibitor
  Haloperidol decanoate (Standard) is the analytical standard of Haloperidol decanoate. This product is intended for research and analytical applications. Haloperidol decanoate shows antipsychotic activity. Haloperidol decanoate can be used in schizophrenia and schizoaffective disorder research[1].

• HY-110021

  Fenoldopam hydrochloride	Agonist
  Fenoldopam (SKF 82526) hydrochloride is a D1 receptor agonist and a novel lysine-specific demethylase 1 (LSD1) inhibitor (IC50=0.8974 μM). Fenoldopam hydrochloride shows anti-hypertensive effects, anti-cancer cell proliferation activity and can induce cells apoptosis[1][2][3].

• HY-119980BS

  Fluphenazine-d6 hydrochloride	Antagonist
  Fluphenazine-d6 (hydrochloride) is deuterium labeled Fluphenazine (hydrochloride). Fluphenazine hydrochloride is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine hydrochloride blocks neuronal voltage-gated sodium channels. Fluphenazine hydrochloride acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine hydrochloride can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine hydrochloride can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2[1][2][3][4][6][7].

• HY-109112R

  Brilaroxazine (Standard)	Agonist
  Brilaroxazine (Standard) is the analytical standard of Brilaroxazine. This product is intended for research and analytical applications. Brilaroxazine (RP5603) is a potent and orally active multimodal dopamine (DA)/serotonin (5-HT) modulator. Brilaroxazine is a partial agonist of dopamine (DA) D2, D3, and D4 receptors, 5-HT1A (Ki=1.5 nM) and 5-HT2A (Ki=2.5 nM), and has antagonist activity at 5-HT2B (Ki=0.19 nM), and 5-HT7 (Ki=2.7 nM) receptors[1]. Brilaroxazine is an atypical antipsychotic agent, and has the potential to improve cognitive impairments in neuropsychiatric and neurological diseases in vivo[2].

• HY-15394S

  (Rac)-Rotigotine-d7 hydrochloride	Agonist
  (Rac)-Rotigotine-d7 (hydrochloride) is deuterium labeled (Rac)-Rotigotine (hydrochloride). (Rac)-Rotigotine hydrochloride is a racemate of Rotigotine. Rotigotine is a full agonist of dopamine receptor, a partial agonist of the 5-HT1A receptor, and an antagonist of the α2B-adrenergic receptor, with Kis of 0.71 nM, 4-15 nM, and 83 nM for the dopamine D3 receptor and D2, D5, D4 receptors, and dopamine D1 receptor.

• HY-B1115AR

  Buspirone (Standard)	Antagonist
  Buspirone (Standard) is the analytical standard of Buspirone. This product is intended for research and analytical applications. Buspirone is an orally active 5-HT1A receptor agonist, and a dopamine D2 autoreceptorsant antagonist. Buspirone is an anxiolytic agent, and can be used for the generalized anxiety disorder research[1].

• HY-17382

  Metoclopramide	Antagonist	99.94%
  Metoclopramide is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis[1][2].

• HY-116916

  Acetophenazine	Inhibitor
  Acetophenazine, a phenothiazine derivative, is an antipsychotic agent. Acetophenazine primarily blocks dopamine D2 receptors in the brain. Acetophenazine can be used for researching psychotic disorders such as schizophrenia and anxious depression[1][2].

• HY-14539S3

  Clozapine-d3	Antagonist
  Clozapine-d3 (HF 1854-d3) is deuterium labeled Clozapine. Clozapine (HF 1854) is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors. Clozapine is a potent antagonist of dopamine D2 with a Ki of 75 nM. Clozapine inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with Kis of 9.5 nM and 4 nM, respectively[1][2][3]. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM)[1][2][3][4][5].

• HY-119385

  Savoxepin mesylate	Antagonist
  Savoxepin mesylate is a D2 dopamine receptor (D2 Dopamine Receptor) antagonist with antipsychotic activity. Savoxepin mesylate selectively blocks dopamine D2 receptors in the hippocampus while having no significant effect on D2 receptors in the striatum. This selective blockade helps reduce the risk of extrapyramidal side effects (EPS)[1].

• HY-B0031S4

  Quetiapine hemifumarate-d8
  Quetiapine (hemifumarate)-d8 is the deuterium labeled Quetiapine hemifumarate[1]. Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects[2].

• HY-111066A

  JNJ-37822681 dihydrochloride	Antagonist
  JNJ-37822681 dihydrochloride is a potent, specific, centrally active, fast-dissociating dopamine D2 receptor antagonist with a moderate binding affinity for the dopamine D2L receptor (Ki =158 nM), which has potential for the treatment of schizophrenia and bipolar disorder[1][2].

• HY-100703A

  Pipamperone dihydrochloride	Antagonist
  Pipamperone dihydrochloride (Floropipamide dihydrochloride) is a butyrophenone derivative and high-affinity antagonist of 5-HT2A receptor (pKi=8.2) and D4 receptor (pKi=8.0). Pipamperone dihydrochloride is also a low-affinity antagonist of D2 receptor (pKi=6.7). Pipamperone dihydrochloride affects neurotransmitter functions and exerts antipsychotic activity. Pipamperone dihydrochloride is used in the research of mental disorders such as autism-related behavioral disorders and Alzheimer's disease[1][2][3][4].

• HY-Z4466

  Olanzapine ketolactam	Control
  Olanzapine ketolactam (compound 1) is the impurity of Olanzapine (HY-14541). Olanzapine is a selective, orally active monoaminergic antagonist[1].

• HY-W011963

  Melevodopa hydrochloride
  Melevodopa hydrochloride is an effervescent Levodopa (HY-N0304) prodrug. Levodopa is an orally active metabolic precursor of neurotransmitters dopamine and has anti-allodynic effects and the potential for Parkinson's disease[1]

• HY-103428

  LE 300	Antagonist	98.5%
  LE 300 is a potent and selective dopamine D1-like receptor antagonist with Kis of 1.9 nM and 7.5 nM in CHO cell membranes expressing human dopamine D1 and D5 receptors, respectively. LE 300 is an antagonist of the 5-HT2A receptor with a pA2 of 8.32 in a rat tail artery assay[1][2].

• HY-B0731AS

  Perospirone-d8	Antagonist
  Perospirone-d8 (SM-9018-d8 (free base)) is deuterium labeled Perospirone. Perospirone (SM-9018 free base) is an orally active antagonist of 5-HT2A receptor (Ki=0.6 nM) and dopamine D2 receptor (Ki=1.4 nM), and also a partial agonist of 5-HT1A receptor (Ki=2.9 nM). Perospirone is an atypical antipsychotic agent and has the potential for schizophrenic disease research[1][2][3].

• HY-116820

  OS-3-106	Agonist
  OS-3-106 is a potent, BBB-penetrated and selective dopamine D3 receptor (D3R) agonist. OS-3-106 binds with high affinity (Ki = 0.2 nM) at the D3R. OS-3-106 can be used for psychoactivator addiction research[1].

• HY-B1019R

  Sulpiride (Standard)	Antagonist
  Sulpiride (Standard) is the analytical standard of Sulpiride. This product is intended for research and analytical applications. Sulpiride is an orally active dopamine D2/D3 receptor antagonist. Sulpiride is an atypical antipsychotic agent of the benzamide family. Sulpiride can be used in research into anxiety, depression and breast cancer[1][2][3].

• HY-109150

  Mesdopetam	Antagonist
  Mesdopetam (IRL790) is a dopamine D3 receptor antagonist (Ki=90 nM; IC50=9.8 μM for human recombinant D3 receptor) with psychomotor stabilizing properties. Mesdopetam is used for the research of motor and psychiatric complications in Parkinson disease[1][2].

• HY-121898

  Milenperone	Antagonist
  Milenperone (R 34009) is a dopamine atagonist. Milenperone can be used in the study for neurological disease[1].

• HY-A0163S

  Zuclopenthixol-d4 succinate salt	Antagonist
  Zuclopenthixol-d4 (succinate) is the deuterium labeled Zuclopenthixol. Zuclopenthixol is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist[1][2].

• HY-N0304R

  L-DOPA (Standard)
  L-DOPA (Standard) is the analytical standard of L-DOPA. This product is intended for research and analytical applications. L-DOPA (Levodopa) is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA has anti-allodynic effects and the potential for Parkinson's disease[1][2][3].

• HY-12987R

  Pimozide (Standard)	Antagonist
  Pimozide (Standard) is the analytical standard of Pimozide. This product is intended for research and analytical applications. Pimozide is a dopamine receptor antagonist, with Kis of 1.4 nM, 2.5 nM and 588 nM for dopamine D2, D3 and D1 receptors, respectively, and also has affinity at α1-adrenoceptor, with a Ki of 39 nM; Pimozide also inhibits STAT3 and STAT5.

• HY-103411

  SKF83822 hydrobromide	Agonist
  SKF83822 hydrobromide is a potent dopamine D1 receptor agonist. SKF83822 hydrobromide activates Gs/olf/adenylyl cyclase (AC)-coupled D1 receptors, but not phospholipase C (PLC)-coupled D1-like receptors[1].

• HY-158552

  4-Ethylethcathinone hydrochloride
  4-Ethylethcathinone hydrochloride is a synthetic stimulant substance belonging to the cathinone class and is structurally related to cathinone. 4-Ethylethcathinone hydrochloride is a releasing agent for norepinephrine-dopamine and leads to stimulant effects[1].

• HY-155099

  FGH31	Agonist
  FGH31 (Compound 24) is a potent, selective, GRK2 dependency dopamine D4 agonist, with the Ki of 1.6 nM. FGH31 partial activates β- arrestin[1].

• HY-17390A

  Loxapine succinate	Inhibitor	98.84%
  Loxapine succinate is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent. Loxapine can also suppresses bacterial efflux pump activity and inhibit intracellular multiple-antibiotic-resistant Salmonella enterica serovar Typhimurium in macrophages[1][4][6].

• HY-117829

  UNC9994	Agonist	98.06%
  UNC9994, an analog of Aripiprazole, is a functionally selective β-arrestin-biased dopamine D2 receptor (D2R) agonist with EC50 <10 nM for β-arrestin-2 recruitment to D2 receptors. UNC9994 is simultaneously partial agonists of β-arrestin-2 translocation and antagonists of Gi-regulated cAMP production. Antipsychotic Activity[1].

• HY-100703R

  Pipamperone (Standard)	Antagonist
  Pipamperone (Standard) is the analytical standard of Pipamperone (HY-100703). This product is intended for research and analytical applications. Pipamperone (Floropipamide) is a butyrophenone derivative and high-affinity antagonist of 5-HT2A receptor (pKi=8.2) and D4 receptor (pKi=8.0). Pipamperone is also a low-affinity antagonist of D2 receptor (pKi=6.7). Pipamperone affects neurotransmitter functions and exerts antipsychotic activity. Pipamperone is used in the research of mental disorders such as autism-related behavioral disorders and Alzheimer's disease[1][2][3][4].

• HY-B0901

  Bromperidol	Inhibitor	98.48%
  Bromperidol (R-11333) possesses antipsychotic activity, with a high affinity for central dopamine receptors D2. Bromperidol can kill Mycobacteria in a synergistic manner with Spectinomycin[1][2].

• HY-121775

  PF-00217830	Agonist
  F-00217830 is an agonist ofDopamine D2 receptor. PF-00217830 inhibits of spontaneous locomotor activity and 2,5-dimethoxy-4-iodoamphetamine-induced head twitches in rats[1].

• HY-N0927

  (-)-Isocorypalmine		99.67%
  (-)-Isocorypalmine (Tetrahydrocolumbamine), isolated from the crude base fraction of Corydalis chaerophylla, is a dopamine receptor ligand[1]. Recombinant CYP719A21 displays strict substrate specificity and high affinity (Km=4.63 ± 0.71 μM) for (-)-Isocorypalmine[2].

• HY-100820

  Sarizotan	Agonist	98.74%
  Sarizotan (EMD 128130) is an orally active serotonin 5-HT1A receptor and dopamine receptor agonist. Sarizotan (EMD 128130) exhibits IC50 values of 6.5 nM (rat 5-HT1A), 0.1 nM (human 5-HT1A), 15.1 nM (rat D2), 17 nM (human D2), 6.8 nM (human D3) and 2.4 nM (human D4.2), respectively[1].

• HY-106584

  Mosapramine	Antagonist
  Mosapramine (Clospipramine) is an orally active and potent dopamine receptor antagonist with high affinity to dopamine receptor subtypes 2, 3 and 4, and with moderate affinity for the 5-HT2 receptor. Mosapramine shows antipsychotic activity and can be used in schizophrenia research[1][2].

• HY-B1059R

  Levosulpiride (Standard)	Antagonist
  Levosulpiride (Standard) is the analytical standard of Levosulpiride. This product is intended for research and analytical applications. Levosulpiride (RV-12309) is the (S)-enantiomer of sulpiride, which is a D2 receptor a antagonist, an atypical antipsychotic agent of the benzamide class.

• HY-106587A

  Octoclothepin maleate salt	Inhibitor	99.14%
  Octoclothepin maleate salt, an orally active neuroleptic agent, is a dual SR-2A and D2DR inhibitor. Octoclothepin maleate salt reveals an intensive central depressant action in a series of observational and instrumental procedures in rodents[1][2].

• HY-W151617A

  Desethoxy Quetiapine dihydrochloride	Antagonist
  Desethoxy Quetiapine dihydrochloride (Compound 28) is an antagonist for dopamine D2 receptor with an IC50 of 1330 nM. Desethoxy Quetiapine dihydrochloride antagonises Apomorphine (HY-12723)-induced climbing and swimming disruption in mouse models[1].

• HY-114539

  L-750667 triHydrochloride	Antagonist	99.39%
  L-750667 triHydrochloride is a selective antagonist for the D4 dopamine receptor, with a Ki value of 0.51 nM. The radiolabeled form of L-750667, [125I]L-750,667, has a Kd value of 0.16 nM for the D4 receptor. L-750667 triHydrochloride can reverse dopamine-induced inhibition of cAMP accumulation. It can be used to study the distribution and function of D4 dopamine receptors in the central nervous system and has potential applications in the fields of neuroscience and psychiatry[1][2].

• HY-100971

  Spiramide	Antagonist	99.23%
  Spiramide (AMI-193) is a potent and selective antagonist of 5-HT2 and dopamine D2 receptor, with Kis of 2 nM and 3 nM, respectively. Spiramide has >2000-fold selectivity for 5-HT2 versus 5-HT1C (Ki=4300 nM) receptors. Spiramide exhibits antipsychotic activity[1][2][3].

• HY-111241

  SV 293	Inhibitor
  SV 293 is a selective antagonist with neutral antagonist activity. SV 293 binds to human D2 receptors with 100-fold higher affinity and has lower affinity for human D3 and D4 dopamine receptor subtypes. SV 293 was found to block the effects of the full agonist quinpirole in forskolin-dependent adenylate acylase inhibition assays and electrophysiological assays. SV 293 can be used as a useful pharmacological tool to study the role of dopamine D2-like receptor subtypes in dopamine pathways associated with neurological, neuropsychiatric and movement disorders[1].

• HY-103413

  Eticlopride hydrochloride	Antagonist
  Eticlopride hydrochloride, a selective dopamine D2‐like receptor antagonist, exhibits high affinity for dopamine D2, α1‐adrenergic, α2‐adrenergic, 5HT1, 5HT2 receptors with Kis of 0.09, 112, 699, 6220, and 830 nM, respectively. Eticlopride hydrochloride is an antipsychotic agent[1].

• HY-14539S

  Clozapine-d8	Antagonist	99.68%
  Clozapine-d8 is the deuterium labeled Clozapine. Clozapine is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors[1][2][3][4].

• HY-119980A

  Fluphenazine dimaleate	Antagonist
  Fluphenazine dimaleate is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine dimaleate blocks neuronal voltage-gated sodium channels. Fluphenazine dimaleate acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine dimaleate can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine dimaleate can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2[1][2][3][4][6].

• HY-B1752A

  Quinpirole hydrochloride	Agonist
  Quinpirole hydrochloride (LY 171555 hydrochloride) is a high-affinity agonist of dopamine D2/D3 receptor.

• HY-B0457S

  Clomipramine-d3 hydrochloride	Inhibitor	99.98%
  Clomipramine-d3 (hydrochloride) is a deuterium labeled Clomipramine hydrochloride. Clomipramine hydrochloride is a serotonin transporter (SERT), norepinephrine transporter (NET) dopamine transporter (DAT) blocker with Ki of 0.14, 54 and 3 nM, respectively[1][2].

• HY-111160

  SKF 83509	Antagonist
  SKF 83509, a desmethyl analogue of SCH 23390 (HY-19545A), is a selective dopamine D1 antagonist with a Ki of 70.2 nM. SKF 83509 has no activity at dopamine D2 receptors[1].

• HY-119980S

  Fluphenazine-d8	Antagonist
  Fluphenazine-d8 is the deuterium labeled Fluphenazine. Fluphenazine is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine blocks neuronal voltage-gated sodium channels. Fluphenazine acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2[1][2][3][4][5][6].

• HY-10121S4

  Asenapine-d3,13C	Antagonist
  Asenapine-d3,13C (Org 5222-d3,13C) is deuterium and 13C labeled Asenapine. Asenapine (Org 5222), an atypical antipsychotic, is an antagonist of serotonin receptors (pKi: 8.4-10.5), adrenoceptors (pKi: 8.9-9.5), dopamine receptors (pKi: 8.9-9.4) and histamine receptors (pKi: 8.2-9.0). Asenapine can be used in the research of schizophrenia and bipolar disorder[1][2].

• HY-14328

  Sonepiprazole	Antagonist	99.84%
  Sonepiprazole (PNU-101387G) is a selective D4 dopamine antagonist with Kis of 3.6, 10.1, 5147, and 7430 nM for rD4-Dopamine, hD4.2-Dopamine, rD2-Dopamine, and Histamine-H1 receptors, respectively[1].

• HY-P3958

  BIM-23027	Agonist	99.76%
  BIM-23027 is a selective agonist of sst2 receptor (EC50=0.32 nM), with similar effect to somatostatin (SRIF), a cyclic tetradecapeptide. BIM-23027 stimulates dopamine release, which is mediated by a Glu-dependent mechanism[1][2].

• HY-W654010

  Lurasidone-d8-1 hydrochloride	Antagonist
  Lurasidone-d8-1 (hydrochloride) is deuterium labeled Lurasidone (Hydrochloride). Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM[1].

• HY-B0411S2

  Domperidone-13C6	Inhibitor
  Domperidone-13C6 (R33812-13C6) is 13C labeled Domperidone. Domperidone (R33812) is an orally active and selective dopamine-2 receptor antagonist. Domperidone acts as an antiemetic and a prokinetic agent through its effects on the chemoreceptor trigger zone and motor function of the stomach and small intestine[1].

• HY-108242

  Apomorphine hydrochloride	Agonist
  Apomorphine ((-)-Apomorphine) hydrochloride is an orally active agonist of Dopamine receptor. Apomorphine hydrochloride can be used in study Parkinson, biphasic dyskinesias, urinary dysfunction, dystonia, dyspnoea, anismus and belching[1][2].

• HY-B0451AR

  Dopamine (hydrochloride) (Standard)
  Dopamine (hydrochloride) (Standard) is the analytical standard of Dopamine (hydrochloride). This product is intended for research and analytical applications. Dopamine hydrochloride (ASL279) is a catecholamine neurotransmitter that is produced in the substantia nigra, ventral tegmental area, and hypothalamus of the brain. Dopamine hydrochloride (ASL279) plays several important roles in the brain and body[1]. Dopamine hydrochloride (ASL279) acts through D2 dopamine receptors to induce endocytosis of VEGFR2, which is critical for promoting angiogenesis[1].

• HY-123189

  LY 171859
  LY 171859 is a D2 receptor agonist with significant reductase activity. LY 171859 exhibits enzymatic activity in the cytoplasm of liver, lung, and kidney, and also contains significant reductase activity in rat and human blood. LY 171859 has higher hepatic reductase activity in guinea pigs, followed by hamsters, rabbits, rats, and mice. The substrate of LY 171859 shows an apparent Km of 5.6 μM. The reduction reaction of LY 171859 is NADPH-dependent with an apparent Km of 14.8 μM. Only the A-side hydrogen of NADPH is incorporated in the reduction product of LY 171859. The reaction of LY 171859 is inhibited by cyanide and thiol reagents, and phenobarbital does not induce its activity in rats[1].

• HY-17410S1

  Iloperidone-d3 hydrochloride	Antagonist
  Iloperidone-d3 hydrochloride is deuterated labeled Iloperidone (HY-17410). Iloperidone (HP 873) is a D2/5-HT2 receptor antagonist. Iloperidone is an atypical antipsychotic for the schizophrenia symptoms[1][2].

• HY-14328A

  Sonepiprazole hydrochloride	Antagonist
  Sonepiprazole (PNU-101387G) hydrochloride is a selective D4 dopamine antagonist with Kis of 3.6, 10.1, 5147, and 7430 nM for rD4-Dopamine, hD4.2-Dopamine, rD2-Dopamine, and Histamine-H1 receptors, respectively[1].

• HY-14538S1

  Haloperidol-d4-1
  Haloperidol-d4-1 is deuterium labeled haloperidol, and the latter is a potent dopamine D2 receptor antagonist.

• HY-101299B

  Dihydrexidine hydrochloride	Agonist	98.89%
  Dihydrexidine hydrochloride (DAR-0100 hydrochloride) is a high potent, selective and full efficacy D1-like dopamine receptor (D1/D5) agonist, with an IC50 of 10 nM for D1 receptor. Dihydrexidine hydrochloride exhibits potent antiparkinsonian activity[1][2][3][4]. Dihydrexidine hydrochloride can stimulate YAP phosphorylation[5].

• HY-14539

  Clozapine	Antagonist	99.84%
  Clozapine (HF 1854) is an antipsychotic used for the research of schizophrenia. Clozapine has high affinity for a number of neuroreceptors. Clozapine is a potent antagonist of dopamine D2 with a Ki of 75 nM. Clozapine inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with Kis of 9.5 nM and 4 nM, respectively[1][2][3]. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM)[4].

• HY-N0304A

  L-DOPA sodium
  L-DOPA (Levodopa) sodium is an orally active metabolic precursor of neurotransmitters dopamine. L-DOPA sodium can cross the blood-brain barrier and is converted into dopamine in the brain. L-DOPA sodium has anti-allodynic effects, and can be used for Parkinson's disease research[1][2][3].

• HY-111136

  BL-1020 mesylate	Inhibitor
  BL-1020 mesylate is the mesylate salt form of BL-1020. BL-1020 mesylate is an antipsychotic agent. BL-1020 mesylate is inhibitor for dopamine receptor and serotonin receptor (5-HT receptor), with Ki of 0.066, 0.062 and 0.21 nM, for D2L, D2S and 5-HT2A receptors, respectively. BL-1020 mesylate is agonist for GABAA receptor with Ki of 3.74 μM, and enhances the GABA release. BL-1020 mesylate exhibits high affinity with histamine receptor (Ki is 0.47 nM). BL-1020 mesylate reduces Amphetamine-induced hyperactivity, with lower catalepsy and sedation. BL-1020 mesylate is blood-brain barrier penetrate[1].

• HY-105294

  FR 64822	Agonist
  FR 64822 is a dopamine D2 receptor agonist that can induce antinociceptive activity in rats and mice by indirectly stimulating dopamine D2 receptors. FR 64822 can promote penile erection in juvenile rats and improve amnesia in rats induced by scopolamine during passive avoidance tasks[1].

• HY-10684

  Pridopidine	Antagonist	99.85%
  Pridopidine, a dopamine (DA) stabilizer, acts as a low affinity dopamine D2 receptor (D2R) antagonist. Pridopidine exerts high affinity towards sigma 1 receptor (S1R) with Ki between 70 and 80 nM, which is ~100× higher than its affinity toward D2R.

• HY-17410

  Iloperidone	Antagonist	99.97%
  Iloperidone (HP 873) is a D2/5-HT2 receptor antagonist. Iloperidone is an atypical antipsychotic for the schizophrenia symptoms[1][2].

• HY-111006

  (+)-UH 232	Antagonist
  (+)-UH 232 is a partially selective agonist of the D3 receptor with an intrinsic activity of 0.2-0.4. (+)-UH 232 antagonized quinpirole-induced mitogenesis with a Ki value of 9.4 nM[1].

• HY-W010388R

  Creatine (Standard)	Modulator
  Creatine (Standard) is the analytical standard of Creatine. This product is intended for research and analytical applications. Creatine, an endogenous amino acid derivative, plays an important role in cellular energy, especially in muscle and brain.

• HY-B0407A

  Chlorpromazine hydrochloride	Antagonist	99.90%
  Chlorpromazine hydrochloride is an orally active, blood-brain barrier-transparent antipsychotic agent that effectively antagonises D2 dopamine receptors and 5-HT2A, which is widely used in schizophrenia and other psychiatric disorders. Chlorpromazine hydrochloride exerts anti-cancer activity through a variety of pathways, including anti-proliferation, induction of autophagy and cycle arrest (G2-M phase), inhibition of cytochrome c oxidase (CcO), inhibition of tumour growth and metastasis, and inhibition of tumour immune escape. Chlorpromazine hydrochloride also blocks hNav1.7 channels (IC50=25.9 μM; concentration-dependent) and HERG potassium channels (IC50=21.6 μM), which has potential for analgesic and cardiac arrhythmic studies. Chlorpromazine hydrochloride also can inhibit clathrin-mediated endocytosis[1][2][3][4][5].

• HY-B0451A

  Dopamine hydrochloride
  Dopamine hydrochloride (ASL279) is a catecholamine neurotransmitter that is produced in the substantia nigra, ventral tegmental area, and hypothalamus of the brain. Dopamine hydrochloride (ASL279) plays several important roles in the brain and body[1]. Dopamine hydrochloride (ASL279) acts through D2 dopamine receptors to induce endocytosis of VEGFR2, which is critical for promoting angiogenesis[1].

• HY-155706

  MOR agonist-2	Antagonist
  MOR agonist-2 (compound 46) is a antagonist of D3R and agonist of MOR (Ki: 7.26 nM and 564 nM, respectively). MOR agonist-2 has the potential to produce analgesic effects through MOR partial agonism. MOR agonist-2 reduces opioid-misuse liability via D3R antagonism[1].

• HY-N10950

  Vanicoside E	Inhibitor
  Vanicoside E is an antioxidant and antitumor agent. Vanicoside E inhibits L-Tyrosine (HY-N0473) and L-DOPA (HY-N0304) with IC50s of 45.23 μM and 189.96 μM, respectively[1][2].

• HY-10791

  Ritanserin	Inhibitor
  Ritanserin (R 55667) is a highly potent, relatively selective, orally active, long acting antagonist of 5-HT2 receptor, with an IC50 of 0.9 nM, less active on Histamine H1, Dopamine D2, Adrenergic α1, Adrenergic α2 receptors[1].

• HY-B2089R

  Cinitapride (Standard)	Antagonist
  Cinitapride (Standard) is the analytical standard of Cinitapride. This product is intended for research and analytical applications. Cinitapride is a nonselective 5-HT1 and 5-HT4 receptors agonist and a 5-HT2 and D2 antagonist. Cinitapride can be used in functional dyspepsia (FD) and gastroesophageal reflux disease (GERD) research[1].

• HY-U00227

  U91356	Agonist
  U91356 is a dopamine receptor agonist.

• HY-145905

  D4R antagonist-1	Antagonist
  D4R antagonist-1 is a potent and selective D4R antagonist with an IC50 of 6.87 µM. D4R antagonist-1 has the potential for the research of Parkinson’s disease[1].

• HY-118551R

  Bromperidol decanoate (Standard)	Antagonist
  Bromperidol decanoate (Standard) is the analytical standard of Bromperidol decanoate. This product is intended for research and analytical applications. Bromperidol decanoate (R46541) is a compound used for the inhibition of schizophrenia and has certain clinical inhibitory activity.

• HY-122495

  rel-Quinpirole dihydrochloride	Agonist
  rel-Quinpirole (rel-LY 171555) dihydrochloride, an ergot compound, is a selective dopamine (DA) D2 receptor agonist. rel-Quinpirole dihydrochloride can be used for research on neurological diseases[1].

• HY-15856

  cis-(Z)-Flupentixol dihydrochloride	Antagonist
  cis-(Z)-Flupentixol dihydrochloride is a potent and selective DA D1/D2 receptor antagonist, with Ki values of 0.38 nM and 7 nM for D2 receptor and 5-HT2A, respectively[1][2].

• HY-121276

  Benperidol	Inhibitor
  Benperidol is a relatively old antipsychotic agent. Benperidol is a butyrophenone antipsychotic, with the highest neuroleptic potency in terms of D2 receptor blockade[1].

• HY-121870

  Dimethocaine	Inhibitor	99.90%
  Dimethocaine (Larocaine) can alleviate pain and sensation by blocking the sodium ion channels inside neurons[1].

• HY-111283

  AJ-76	Antagonist
  AJ-76 ((+)-AJ 76; (1S,2R)-AJ 76) is a dopamine autoreceptor antagonist. AJ-76 can increase the synthesis and turnover of dopamine in the rat brain, while having little effect on the synthesis and turnover of serotonin (5-HT) and norepinephrine. AJ-76 can also antagonize the sedative effects of low-dose apomorphine and has a weak antagonistic effect on postsynaptic dopamine receptor[1].

• HY-109131

  Foscarbidopa	Agonist
  Foscarbidopa (ABBV-951; Carbidopa 4′-monophosphate) is a proagent of Carbidopa, acts as a dopamine receptor agonist[1][2].

• HY-165622

  Butaclamol	Antagonist
  Butaclamol is a antipsychotic agent and act as a D2 receptor antagonist[1].

• HY-B0532B

  Trifluoperazine dimaleate	Inhibitor
  Trifluoperazine dimaleate, an antipsychotic agent, acts by blocking central dopamine receptors. Trifluoperazine dimaleate is a potent α1-adrenergic receptor antagonist. Trifluoperazine dimaleate is a potent NUPR1 inhibitor exerting anticancer activity. Trifluoperazine dimaleate is a calmodulin inhibitor, and also inhibits P-glycoprotein. Trifluoperazine dimaleate can be used for the research of schizophrenia. Trifluoperazine dimaleate acts as a reversible inhibitor of influenza virus morphogenesis[1][2][3][4][5].

• HY-17355

  Pramipexole dihydrochloride	Agonist
  Pramipexole dihydrochloride is a selective and blood-brain barrier (BBB) penetrant dopamine D2-type receptor agonist, with Kis of 2.2 nM, 3.9 nM, 0.5 nM and 1.3 nM for D2-type receptor, D2, D3 and D4 receptors, respectively. Pramipexole dihydrochloride can be used for the research of Parkinson's disease (PD) and restless legs syndrome (RLS)[1][2][3].

• HY-B0451AS7

  Dopamine-d5 hydrochloride
  Dopamine-d5 (hydrochloride) is the deuterium labeled Dopamine (hydrochloride). Dopamine hydrochloride (ASL279) is a catecholamine neurotransmitter that is produced in the substantia nigra, ventral tegmental area, and hypothalamus of the brain. Dopamine hydrochloride (ASL279) plays several important roles in the brain and body[1]. Dopamine hydrochloride (ASL279) acts through D2 dopamine receptors to induce endocytosis of VEGFR2, which is critical for promoting angiogenesis[1].

• HY-133152

  Brexpiprazole S-oxide	Agonist
  Brexpiprazole S-oxide (DM-3411) is a main metabolite of Brexpiprazole and is metabolized by cytochrome P450 3A4 (CYP3A4). Brexpiprazole is an atypical antipsychotic agent and a partial agonist of human 5-HT1A and dopamine receptor with Kis of 0.12 nM and 0.3 nM, respectively. Brexpiprazole is also a 5-HT2A receptor antagonist with a Ki of 0.47 nM[1][2][3].

• HY-101102

  7-Hydroxy-DPAT hydrobromide	Inhibitor
  7-Hydroxy-DPAT hydrobromide is a selective D3 dopamine receptor agonist, exhibiting significant pharmacological activity in modulating locomotor behavior and dopamine metabolism within the brain.

• HY-100161

  CI-943	Antagonist
  CI-943 is a potential antipsychotic agent.

• HY-14539A

  Clozapine hydrochloride	Antagonist
  Clozapine hydrochloride (HF 1854 hydrochloride) is an antipsychotic used for the research of schizophrenia. Clozapine hydrochloride has high affinity for a number of neuroreceptors. Clozapine hydrochloride is a potent antagonist of dopamine D2 with a Ki of 75 nM. Clozapine hydrochloride inhibits the muscarinic M1 receptor and serotonin 5HT2A receptor with Kis of 9.5 nM and 4 nM, respectively[1][2][3]. Clozapine hydrochloride is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM)[4].

• HY-17382R

  Metoclopramide (Standard)	Antagonist
  Metoclopramide (Standard) is the analytical standard of Metoclopramide. This product is intended for research and analytical applications. Metoclopramide is a potent antagonist of 5-HT3 and dopamine D2 receptor, with IC50s of 308 nM and 483 nM, respectively. Metoclopramide can be used for the research of nausea and vomiting, gastro-oesophageal reflux, and gastroparesis[1][2].

• HY-15296S

  Cabergoline-d5	Agonist
  Cabergoline-d5 is the deuterium labeled Cabergoline. Cabergoline is an ergot derived-dopamine D2-like receptor agonist that has high affinity for D2, D3, and 5-HT2B receptors (Ki=0.7, 1.5, and 1.2, respectively)[1][2].

• HY-B0732S

  Itopride-d6 hydrochloride	Inhibitor
  Itopride-d6 (hydrochloride) is deuterium labeled Itopride (hydrochloride). Itopride hydrochloride (HSR803), a gastroprokinetic Benzamide (HY-Z0283) derivative, is an inhibitor of acetylcholinesterase (AChE) and dopamine D2 receptor[1][2].

• HY-14545R

  Amisulpride (Standard)	Antagonist
  Amisulpride (Standard) is the analytical standard of Amisulpride. This product is intended for research and analytical applications. Amisulpride is a dopamine D2/D3 receptor antagonist with Kis of 2.8 and 3.2 nM for human dopamine D2 and D3, respectively.

• HY-131255

  Ziprasidone amino acid	Antagonist	99.62%
  Ziprasidone amino acid (Ziprasidone Impurity C) is an impurity of Ziprasidone. Ziprasidone is a combined 5-HT (serotonin) and dopamine receptor antagonist. Ziprasidone exhibits potent effects of antipsychotic activity [1].

• HY-10349

  WAY-100635	Agonist	99.51%
  WAY-100635 is a potent and selective 5-HT1A Receptor antagonist with a pIC50 of 8.87, an apparent pA2 of 9.71. WAY-100635 is a potent and selective 5-hydroxytryptamine 1A (5-HT1A) receptor antagonist with an IC50 value of 0.91 nM and Ki value of 0.39 nM. WAY-100635 has pIC50 values for 5-HT1A and α1-adrenergic receptors of 8.9 and 6.6, respectively. WAY-100635 is also a potent dopamine D4 receptor agonist[1][2][3].

• HY-B1613A

  Clebopride malate	Antagonist	99.72%
  Clebopride malate is an orally active dopamine Receptor antagonist. Clebopride malate acts on dopamine D2 receptors and has antiemetic and prokinetic effects. Clebopride malate can be used in the study of functional gastrointestinal disorders[1][2][3].

• HY-114618

  S33084	Antagonist
  S33084 is a dopamine D(3)-receptor antagonist with the pKi values of 8.72, 8.62 and 6.82 of cloned rat dopamine D3 receptor, native rat dopamine D3 and D2 receptor[1].

• HY-141495

  (Rac)-Razpipadon	Agonist
  PW0464, a nanomolar potent complete G protein biased ligand, is a noncatechol D1R agonist, with an EC50 of 5.8 nM (Gs-cAMP)[1].

• HY-B1573A

  (±)-Butaclamol hydrochloride	Antagonist
  (±)-Butaclamol hydrochloride (AY-23,028) is the antagonist for adrenergic receptor and dopamine receptor. (±)-Butaclamol hydrochloride antagonizes amphetamine or Apomorphine (HY-12723)-induced stereotyped behaviors and emesis, inhibits discriminative avoidance behavior, and induces catalepsy in rats models[1].

• HY-B1019

  Sulpiride	Antagonist	99.28%
  Sulpiride is an orally active dopamine D2/D3 receptor antagonist. Sulpiride is an atypical antipsychotic agent of the benzamide family. Sulpiride can be used in research into anxiety, depression and breast cancer[1][2][3].

• HY-A0019BS

  (R)-9-Hydroxy Risperidone-d4
  (R)-9-Hydroxy Risperidone-d4 is the deuterium labeled (R)-9-Hydroxy Risperidone[1].

• HY-107663A

  MIF-1 TFA	Modulator	99.25%
  MIF-1 TFA (Melanostatin), an endogenous brain peptide, is a potent dopamine receptor allosteric modulator. MIF-1 TFA inhibits melanin formation. MIF-1 TFA blocks the effects of opioid receptor activation to modulate the analgesic effects. MIF-1 TFA accesses from the blood to the CNS by directly crossing the blood-brain barrier (BBB)[1][2][3].

• HY-A0019

  Paliperidone	Antagonist	99.43%
  Paliperidone (9-Hydroxyrisperidone), the major active metabolite of Risperidone, is a dopamine D2 antagonist and 5-HT2A antagonist. Paliperidone is also active as an antagonist at α1 and α2 adrenergic receptors and H1-histaminergic receptors. Paliperidone, a antipsychotic agent, shows efficacy against schizophrenia[1].

• HY-159106

  MeSeI	Modulator
  MeSeI exhibits a weak inhibitory activity against monoamine oxidase MAO-A and MAO-B (IC50=198.8 µM). MeSeI regulates dopamine receptor D2 and norepinephrine receptor α2, β1, and exhibits antidepressant-like effect in mice. MeSeI is orally active[1].

• HY-B0532A

  Trifluoperazine dihydrochloride	Inhibitor	99.98%
  Trifluoperazine dihydrochloride, an antipsychotic agent, acts by blocking central dopamine receptors. Trifluoperazine dihydrochloride is a potent α1-adrenergic receptor antagonist. Trifluoperazine dihydrochloride is a potent NUPR1 inhibitor exerting anticancer activity. Trifluoperazine dihydrochloride is a calmodulin inhibitor, and also inhibits P-glycoprotein. Trifluoperazine dihydrochloride can be used for the research of schizophrenia. Trifluoperazine dihydrochloride acts as a reversible inhibitor of influenza virus morphogenesis[1][2][3][4][5].

• HY-B1904A

  Fluphenazine decanoate dihydrochloride	Inhibitor
  Fluphenazine decanoate dihydrochloride is a dopamine D2 receptor inhibitor, is a long-acting phenothiazine neuroleptic. Fluphenazine can be used for schizophrenia research[1][2][3].

• HY-119638

  Oxiperomide	Inhibitor
  Oxiperomide is an orally active dopamine-blocking agent[1].

• HY-121675

  2-Bromo-LSD	Antagonist
  2-Bromo-LSD (BOL-148; Bromolysergide) is a Dopamine Receptor antagonist that directly affects dopamine neurons in the substantia nigra neostriatum. 2-Bromo-LSD increases the hydroxylation of tyrosine in striatum and antagonizes the decrease of Apomorphine-induced DOPA accumulation. 2-Bromo-LSD also blocks the 5-HT Receptor mediated DOPA formation[1].

• HY-10847A

  SB-277011 dihydrochloride	Antagonist
  SB-277011 dihydrochloride (SB-277011A dihydrochloride) is a potent, selective, orally bioavailable and brain penetrate dopamine D3 receptor antagonist, with pKis of 8.0, 6.0, <5.2 and 5.9 for D3, D2, 5-HT1B, and 5-HT1D receptors, respectively.

• HY-112015

  Deschlorohaloperidol
  Deschlorohaloperidol (compound 8h) is an analogue of Haloperidol (HY-14538). Haloperidol is a dopamine D2 receptor (D2R) antagonist for schizophrenia[1].

• HY-17407

  Ziprasidone hydrochloride monohydrate	Antagonist	98.11%
  Ziprasidone (CP-88059) hydrochloride monohydrate is an orally active combined 5-HT and dopamine receptor antagonist[1]. Ziprasidone hydrochloride monohydrate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM)[1].

• HY-N0049

  Nuciferine	Agonist	99.71%
  Nuciferine is an antagonist at 5-HT2A (IC50=478 nM), 5-HT2C (IC50=131 nM), and 5-HT2B (IC50=1 μM), an inverse agonist at 5-HT7 (IC50=150 nM), a partial agonist at D2 (EC50=64 nM), D5 (EC50=2.6 μM) and 5-HT6 (EC50=700 nM), an agonist at 5-HT1A (EC50=3.2 μM) and D4 (EC50=2 μM) receptor.

• HY-100649

  Hydroxy ziprasidone	Antagonist	99.53%
  Hydroxy ziprasidone is an impurity of Ziprasidone[1]. Ziprasidone, an antipsychotic agent, is a combined 5-HT (serotonin) and dopamine receptor antagonist[2].

• HY-100929

  GBR-12879 dihydrochloride
  GBR-12879 dihydrochloride is a potent inhibitor of dopamine uptake[1].

• HY-W742532

  ETH-LAD	Modulator
  ETH-LAD (N-Ethyl-nor-LSD) is an activator for 5-HT2A receptor with Ki of 5.1 nM. ETH-LAD exhibits affinity for dopamine receptor D1 and dopamine receptor D2 with Ki of 22.1 nM and 4.4 nM. ETH-LAD acts as psychoactive substance in rat model[1].

• HY-106100AR

  Roxindole hydrochloride (Standard)	Agonist
  Roxindole (hydrochloride) (Standard) is the analytical standard of Roxindole (hydrochloride). This product is intended for research and analytical applications. Roxindole hydrochloride (EMD 38362), an indot-alkyl-pipenidine, is a potent agonist at dopamine autoreceptors, with an affinity for the D2-like subtype in the low nanomolar range. Roxindole can be used for the research of positive and negative schizophrenic symptoms. Roxindole is a 5-HT1A agonist and 5-HT uptake inhibitor with high affinity for 5-HT1A (IC50=0.9 nM). Antipsychotic and antidepressant activities[1][2][3].

• HY-14538

  Haloperidol	Antagonist	99.73%
  Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.

• HY-A0151

  Thioproperazine		99.90%
  Thioproperazine (RP 7843) is an orally active antipsychotic agent with calming, antiemetic activity. Thioproperazine is effective in promoting the release of dopamine in rat striatum. Thioproperazine can be used in studies of schizophrenia and bipolar disorder[1].

• HY-A0125A

  Alizapride hydrochloride	Antagonist	99.28%
  Alizapride is a potent antiemetic, acting as a dopamine receptor antagonist. Alizapride also used in human digestive disorders[1][3].

• HY-A0077AS

  Perphenazine-d8 dihydrochloride	Inhibitor
  Perphenazine-d8 (dihydrochloride) is the deuterium labeled Perphenazine, which is a typical antipsychotic agent(5-HT, Dopamine receptor ligand).

• HY-123663

  U-101958 maleate
  U-101958 (PNU-101958) maleate is a highly selective ligand and antagonist for dopamine D4 receptor, with an IC50 of 2.7 nM. U-101958 maleate behaves as an agonist in HEK-293 cells expressing the human recombinant D4.4 receptor. U-101958 maleate is an antipsychotic[1][2].