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 (113):

Cat. No. Product Name Effect Purity
  • HY-14538
    Haloperidol
    		Antagonist 99.73%
    Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.
  • 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-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-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.
  • 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.
  • 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-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).
  • HY-A0077
    Perphenazine
    		Antagonist 99.95%
    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-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-B0358A
    Flunarizine dihydrochloride
    		Antagonist 99.36%
    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-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-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.
  • 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 99.62%
    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.
  • 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.
  • 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.
  • 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.
  • 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.