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

D2 Receptor Antagonist

D2 Receptor Antagonists (137):

Cat. No. Product Name Effect Purity
  • 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-14538
    Haloperidol
    		Antagonist 99.69%
    Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic agent. Haloperidol can be used in the study of schizophrenia, tics in Tourette syndrome, mania in bipolar disorder, delirium, agitation, acute psychosis, and hallucinations from alcohol withdrawal.
  • 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-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-A0188
    Norzine dimalate
    		Antagonist
    Norzine dimalate (Thiethylperazine dimalate), a Phenothiazine (HY-Y0055) derivate, is an orally active and potent dopamine D2-receptor and histamine H1-receptor antagonist. Norzine dimalate is also a selective ABCC1activator that reduces amyloid-β load in mice. Norzine dimalate has anti-emetic, antipsychotic and antimicrobial effects.
  • HY-103414
    Raclopride
    		Antagonist 99.86%
    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-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.
  • HY-14542
    Ziprasidone
    		Antagonist 99.31%
    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).
  • HY-A0077
    Perphenazine
    		Antagonist 99.81%
    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.
  • 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.
  • HY-B0807A
    Prochlorperazine dimaleate
    		Antagonist ≥98.0%
    Prochlorperazine dimaleate is an orally active phenothiazine-type dopamine D2 receptor (D2R) antagonist. Prochlorperazine exhibits anti-cancer activity in vitro against various cancer cell lines. Prochlorperazine dimaleate exhibits IC50 values of 6.4 μM, 4.5 μM and 2.3 μM for NOX1, NOX2 and NOX5, respectively. Prochlorperazine dimaleate has antedesmosidic activity against dengue virus (DENV). Prochlorperazine dimaleate can be used for research on nausea, vomiting, migraine, and schizophrenia.
  • HY-14545
    Amisulpride
    		Antagonist 99.77%
    Amisulpride ((Rac)-Aramisulpride) is a racemic (50:50) mixture of the R-Amisulpride (HY-109167) and S-Amisulpride (HY-126068). Amisulpride is a dopamine D2/D3 receptor antagonist with Ki values of 2.8 and 3.2 nM for human dopamine b>D2 and b>D3, respectively. Amisulpride is a 5-HT7 receptor antagonist with a Ki of 44 nM. Amisulpride can be used in psychiatric research.
  • HY-B0032A
    Lurasidone
    		Antagonist 99.36%
    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-17382
    Metoclopramide
    		Antagonist 99.98%
    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.
  • HY-103413
    Eticlopride hydrochloride
    		Antagonist 99.45%
    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.
  • 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-13575
    Blonanserin
    		Antagonist 99.91%
    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.
  • HY-B0358A
    Flunarizine dihydrochloride
    		Antagonist 99.90%
    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.
  • 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-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.