2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. Dopamine Receptor
  5. D2 Receptor Isoform
  6. D2 Receptor Inhibitor

D2 Receptor Inhibitor

D2 Receptor Inhibitors (32):

Cat. No. Product Name Effect Purity
  • HY-179724
    PZ-1657
    		Inhibitor
    PZ-1657 (Compound 57) is an orally active, blood-brain barrier permeable, highly selective, and metabolically stable 5-HT7 receptor inverse agonist with a Ki value of 5 nM. PZ-1657 inhibits constitutive cyclic adenosine monophosphate (cAMP) production mediated by the Gs signaling pathway (EC50 value of 2.93 nM). PZ-1657 inhibits CYP3A4 P450 (IC50 = 12.2 μM) and hERG channels. PZ-1657 reduces 5-HT7 receptor-mediated MMP-9 activity. PZ-1657 reverses Phencyclidine-induced cognitive impairment. PZ-1657 possesses antidepressant properties.
  • 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.
  • HY-B0590
    Tetrabenazine
    		Inhibitor 99.95%
    Tetrabenazine (Ro 1-9569) is a brain-penetrant and orally active VMAT2-selective ligand with human VMAT2 Ki 100 nM. Tetrabenazine binds VMAT2 to block monoamine uptake into synaptic vesicles, potentiates cytoplasmic monoamine degradation. Tetrabenazine weakly blocks dopamine D2 receptors, and increases dopamine turnover via elevated cerebrospinal fluid homovanillic acid. Tetrabenazine can be used for the research of Huntington’s disease, tardive dyskinesia, and Tourette’s syndrome.
  • HY-10791
    Ritanserin
    		Inhibitor 99.68%
    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.
  • 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.
  • HY-B0520A
    Benztropine mesylate
    		Inhibitor 99.85%
    Benztropine mesylate (Benzatropine mesylate) is an orally active and BBB-permeable 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.
  • 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.
  • HY-17390
    Loxapine
    		Inhibitor 99.93%
    Loxapine is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent.
  • HY-B0901
    Bromperidol
    		Inhibitor 99.83%
    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.
  • 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).
  • HY-B0590A
    Tetrabenazine Racemate
    		Inhibitor 99.89%
    Tetrabenazine (Ro 1-9569) Racemate is a brain-penetrant and orally active VMAT2-selective ligand with human VMAT2 Ki 100 nM. Tetrabenazine Racemate binds VMAT2 to block monoamine uptake into synaptic vesicles, potentiates cytoplasmic monoamine degradation. Tetrabenazine Racemate weakly blocks dopamine D2 receptors, and increases dopamine turnover via elevated cerebrospinal fluid homovanillic acid. Tetrabenazine Racemate can be used for the research of Huntington’s disease, tardive dyskinesia, and Tourette’s syndrome.
  • 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.
  • HY-B1904
    Fluphenazine decanoate
    		Inhibitor 98.75%
    Fluphenazine decanoate is a CNS-penetrant dopamine D2 receptor inhibitor, is a long-acting phenothiazine neuroleptic. Fluphenazine can be used for schizophrenia research.
  • HY-B0520
    Benztropine
    		Inhibitor 98.12%
    Benztropine (Benzatropine; Benzotropine) is an orally active and BBB-permeable centrally acting anticholinergic agent that can be used for Parkinson's disease research. 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.
  • HY-B1017
    Molindone (hydrochloride)
    		Inhibitor 99.81%
    Molindone hydrochloride (EN-1733A) is an orally active and brain-penetrant dopamine D2/D5 receptor antagonist. Molindone hydrochloride shows antipsychotic and antidepressant-like activities. Molindone hydrochloride suppresses spontaneous locomotion, and antagonizes apomorphine-induced emesis. Molindone hydrochloride can be used for the research of neurological disease.
  • HY-B1262
    Acetophenazine dimaleate
    		Inhibitor 99.90%
    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.
  • HY-U00244A
    Benzquinamide hydrochloride
    		Inhibitor 99.14%
    Benzquinamide (P2647; BZQ; Benzoquinamide) hydrochloride is an orally active binder of dopamine receptors and adrenergic receptors. Benzquinamide hydrochloride specifically targets dopamine D2, D3, D4 receptors and α-2A, α-2B, α-2C adrenergic receptors. Benzquinamide hydrochloride regulates blood pressure and heart rate, attenuates the pressor effect of adrenaline, and exhibits activities such as antiemesis, anxiolysis, and reduction of histamine-induced bronchoconstriction. Benzquinamide hydrochloride has good safety and does not deplete serotonin or norepinephrine in the brain. Benzquinamide hydrochloride can be used in studies related to nausea/vomiting, mental disorders, anxiety states, neurosis, and psychosis.
  • 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-B0590E
    Tetrabenazine mesylate
    		Inhibitor
    Tetrabenazine (Ro 1-9569) mesylate is a brain-penetrant and orally active VMAT2-selective ligand with human VMAT2 Ki 100 nM. Tetrabenazine mesylate binds VMAT2 to block monoamine uptake into synaptic vesicles, potentiates cytoplasmic monoamine degradation. Tetrabenazine mesylate weakly blocks dopamine D2 receptors, and increases dopamine turnover via elevated cerebrospinal fluid homovanillic acid. Tetrabenazine mesylate can be used for the research of Huntington’s disease, tardive dyskinesia, and Tourette’s syndrome.
  • HY-179724A
    PZ-1657 hydrochloride
    		Inhibitor
    PZ-1657 hydrochloride (Compound 57) is a potent, selective and orally active 5-HT7 receptor inverse agonist with a Ki of 5 nM. PZ-1657 hydrochloride can inhibit the constitutive cAMP production mediated by the Gs signaling pathway (EC50 = 2.93 nM). PZ-1657 hydrochloride can significantly reduce the MMP-9 activity mediated by 5-HT7 receptors in the hippocampus of mice, and the effect is comparable to that of SB-269970 (HY-15370). PZ-1657 hydrochloride can reverse the cognitive deficits observed in the rat novel object recognition test induced by Phencyclidine without affecting the animals' spontaneous activities. PZ-1657 hydrochloride can be used for the research of emotional disorders, such as depression and bipolar disorder.