2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. Dopamine Receptor
  5. Dopamine Receptor Antagonist

Dopamine Receptor Antagonist

Dopamine Receptor Isoform Comparison

Dopamine Receptor Antagonists (357):

Cat. No. Product Name Effect Purity
  • 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. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist.
  • HY-12708
    Chlorpromazine
    		Antagonist 99.75%
    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.
  • HY-B1081A
    Oxidopamine hydrobromide
    		Antagonist 99.95%
    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.
  • 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.
  • HY-14542AR
    Ziprasidone hydrochloride (Standard)
    		Antagonist
    Ziprasidone (hydrochloride) (Standard) is the analytical standard of Ziprasidone (hydrochloride). This product is intended for research and analytical applications. Ziprasidone (CP-88059) hydrochloride is an orally active combined 5-HT and dopamine receptor antagonist. Ziprasidone hydrochloride has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM).
  • 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.
  • HY-B1081
    Oxidopamine hydrochloride
    		Antagonist 99.91%
    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.
  • 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.
  • 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.
  • 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. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist.
  • HY-14538
    Haloperidol
    		Antagonist 99.73%
    Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.
  • 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-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. Clozapine is also a potent and selective agonist at the muscarinic M4 receptor (EC50=11 nM).
  • 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.
  • 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-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).
  • 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.
  • 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.
  • 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.
  • HY-14542
    Ziprasidone
    		Antagonist 99.81%
    Ziprasidone (CP-88059), an orally active antipsychotic agent, is a combined 5-HT and dopamine receptor antagonist. 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).