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

Dopamine Receptor Antagonist

Dopamine Receptor Antagonists (88):

Cat. No. Product Name Effect Purity
  • HY-14541
    Olanzapine
    Antagonist 99.83%
    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-135147
    ONC206
    Antagonist 99.90%
    ONC206 is an analogue of TRAIL inducer ONC201. ONC206 is a selective antagonist of the D2-like dopamine receptors (DRD2/3/4) at nanomolar concentrations. ONC206 has broad-spectrum anti-tumor activity.
  • 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.
  • HY-N0925
    Tetrahydroberberine
    Antagonist 99.65%
    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.
  • HY-101348
    L-741626
    Antagonist ≥99.0%
    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.
  • HY-B1240
    Droperidol
    Antagonist 99.74%
    Droperidol is a butyrophenone-type Dopamine-2 receptor antagonist.
  • 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-B1613A
    Clebopride malate
    Antagonist 99.72%
    Clebopride malate is a dopamine antagonist drug with antiemetic and prokinetic properties used to treat functional gastrointestinal disorders.
  • HY-19654
    GSK598809
    Antagonist 99.73%
    GSK598809 is a potent and selective dopamine D3 Receptor (DRD3) antagonist, with a pKi of 8.9.
  • HY-116941
    A-381393
    Antagonist 99.90%
    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).
  • 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-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-19489S
    (±)-Levomepromazine-d6
    Antagonist 99.23%
    (±)-Levomepromazine-d6 is the deuterium labeled Methotrimeprazine, which is a D3 dopamine and Histamine H1 receptor antagonist.
  • HY-42849A
    Sultopride hydrochloride
    Antagonist 99.27%
    Sultopride hydrochloride (LIN-1418 hydrochloride) is a selective antagonist of dopamine D2 receptor.
  • 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.
  • 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.
  • 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-101382
    GR 103691
    Antagonist 99.95%
    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.
  • HY-109150A
    Mesdopetam hemitartrate
    Antagonist 99.90%
    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.
  • 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.