1. Signaling Pathways
  2. GPCR/G Protein
    Neuronal Signaling
  3. Dopamine Receptor

Dopamine Receptor

Dopamine Receptors are a class of G protein-coupled receptors that are prominent in the vertebrate central nervous system (CNS). The neurotransmitter dopamine is the primary endogenous ligand for dopamine receptors. Dopamine receptors are implicated in many neurological processes, including motivation, pleasure, cognition, memory, learning, and fine motor control, as well as modulation of neuroendocrine signaling. Abnormal dopamine receptor signaling and dopaminergic nerve function is implicated in several neuropsychiatric disorders. Thus, dopamine receptors are common neurologic drug targets; antipsychotics are often dopamine receptor antagonists while psychostimulants are typically indirect agonists of dopamine receptors. There are at least five subtypes of dopamine receptors, D1, D2, D3, D4, and D5. The D1 and D5 receptors are members of the D1-like family of dopamine receptors, whereas the D2, D3 and D4receptors are members of the D2-like family.

Cat. No. Product Name Effect Purity Chemical Structure
  • HY-105657
    Flupenthixol decanoate
    Antagonist
    Flupenthixol decanoate is a dopamine D2 receptor antagonist with antipsychotic effects. Flupenthixol decanoate can be used for schizophrenia and depression research.
    Flupenthixol decanoate
  • HY-17382S
    Metoclopramide-d3
    Antagonist
    Metoclopramide-d3 is deuterium labeled Metoclopramide. 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.
    Metoclopramide-d<sub>3</sub>
  • HY-B2073A
    Clocapramine dihydrochloride hydrate
    Antagonist
    Clocapramine hydrochloride hydrate is an antagonist of the D2 and 5-HT2A receptors.
    Clocapramine dihydrochloride hydrate
  • HY-17366AR
    Clozapine N-oxide dihydrochloride (Standard)
    Antagonist
    Clozapine N-oxide (dihydrochloride) (Standard) is the analytical standard of Clozapine N-oxide (dihydrochloride). This product is intended for research and analytical applications. 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[1][2][3][4]. Clozapine is a potent dopamine antagonist and also a potent and selective muscarinic M4 receptor (EC50=11 nM) agonist[5][6].
    Clozapine N-oxide dihydrochloride (Standard)
  • HY-21995
    BGC20-761
    Antagonist
    BGC20-761 is a selecvtive 5-HT6 and dopamine receptor antagonist (human receptor Ki values: 5-HT6 (20 nM), 5-HT2A (69 nM), D2 (140 nM). BGC20-761, can enhance long-term memory. BGC20-761 has potential utility as an antipsychotic agent.
    BGC20-761
  • HY-124583
    PF-4363467
    Antagonist
    PF-4363467, a dopamine D3/D2 receptor antagonist, attenuates opioid drug-seeking behavior without concomitant D2 side effects. PF-4363467 exhibits Ki values of 3.1 nM and 692 nM for D3R and D2R.
    PF-4363467
  • HY-145906
    D4R antagonis-2
    Antagonist
    D4R antagonist-2 is a potent and selective D4R antagonist with an IC50 of 6.52 µM. D4R antagonist-2 displays very favorable in vitro PK parameters and has good brain penetration. D4R antagonist-2 has the potential for the research of Parkinson’s disease.
    D4R antagonis-2
  • HY-B0358AS
    Flunarizine-d8 dihydrochloride
    Antagonist
    Flunarizine-d8 dihydrochloride is deuterated labeled Flunarizine dihydrochloride (HY-B0358A). 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.
    Flunarizine-d<sub>8</sub> dihydrochloride
  • HY-W700598
    Pipotiazine palmitate
    Antagonist
    Pipotiazine palmitate is a dopamine receptor antagonist. Pipotiazine palmitate is a long-acting phenothiazine antipsychotic agent that can be administered by intramuscular injection. Pipotiazine palmitate can be used in the research of mental illnesses such as schizophrenia.
    Pipotiazine palmitate
  • HY-N3945R
    Glaucine (Standard)
    Antagonist
    Glaucine (Standard) is the analytical standard of Glaucine. This product is intended for research and analytical applications. Glaucine (O,O-Dimethylisoboldine) is an alkaloid isolated from Glaucium flavum with antitussive, bronchodilation and anti-inflammatory properties. Glaucine is a selective and orally active phosphodiesterase 4 (PDE4) inhibitor with Kis of 3.4 μM in human bronchus and polymorphonuclear leukocytes. Glaucine is also a non-selective α-adrenoceptor antagonist, a Ca2+ entry blocker, and a weak dopamine D1 and D2 receptor antagonist. Glaucine has antioxidative and antiviral activities.
    Glaucine (Standard)
  • HY-14539B
    Clozapine dihydrochloride
    Antagonist
    Clozapine (HF 1854) dihydrochloride 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).
    Clozapine dihydrochloride
  • HY-14538S3
    Haloperidol-13C6
    Antagonist
    Haloperidol-13C6 is the 13C6 labeled Haloperidol. Haloperidol is a potent dopamine D2 receptor antagonist, widely used as an antipsychotic.
    Haloperidol-<sup>13</sup>C<sub>6</sub>
  • HY-149247
    Antipsychotic agent-2
    Antagonist
    Antipsychotic agent-2 (Compound 11) is a potent antipsychotic agent. Antipsychotic agent-2 shows affinities for 5-HT1A, 5-HT2A, 5-HT2C, D2 and H1 receptors with Kis of 56.6, 66.7, 552, 596 and 1140 nM, respectively. Antipsychotic agent-2 has BBB permeability.
    Antipsychotic agent-2
  • HY-103407
    PD 168568
    Antagonist
    PD 168568 is a orally active and potent dopamine receptor D4 (DRD4) antagonist. PD 168568 contains an isoindolinone and is selective for the D4 receptor versus D2 and D3, with Ki values of 8.8, 1842, and 2682 nM, respectively. PD 168568 can be used for glioblastoma (GBM) research.
    PD 168568
  • HY-11056
    PF-04363467
    Antagonist
    PF-04363467 is a highly preferring D3R antagonist. PF-04363467 produces dose-dependent changes in the EEG profile of freely moving rats. PF-4363467 attenuates opioid drug-seeking behavior without concomitant D2 side effects. PF-04363467 can be used for the study of addiction, cognitive and mental illness.
    PF-04363467
  • HY-101619A
    Abaperidone hydrochloride
    Antagonist
    Abaperidone hydrochloride is a potent antagonist of 5-HT2A receptor and dopamine D2 receptor with IC50s of 6.2 and 17 nM.
    Abaperidone hydrochloride
  • HY-19875
    Seridopidine
    Antagonist
    Seridopidine is an orally active dopamine-like compound. Seridopidine can be used in research related to the nervous system.
    Seridopidine
  • HY-14542C
    Ziprasidone mesylate
    Antagonist
    Ziprasidone (CP-88059) mesylate is an orally active combined 5-HT and dopamine receptor antagonist. Ziprasidone mesylate has affinities for Rat D2 (Ki=4.8 nM), 5-HT2A (Ki=0.42 nM) and 5-HT1A (Ki=3.4 nM).
    Ziprasidone mesylate
  • HY-W769200
    Asenapine-13C,d3 maleate
    Antagonist
    Asenapine-13C,d3 Maleate is the deuterium labeled and 13C-Asenapine Maleate (HY-11100). Asenapine (Org 5222) Maleate, an atypical antipsychotic, is an antagonist of serotonin receptors (pKi: 8.4-10.5), adrenoceptors (pKi: 8.9-9.5), dopamine receptors (pKi: 8.9-9.4) and histamine receptors (pKi: 8.2-9.0). Asenapine Maleate can be used in the research of schizophrenia and bipolar disorder.
    Asenapine-<sup>13</sup>C,d<sub>3</sub> maleate
  • HY-116773
    A-69024
    Antagonist
    A-69024 is a selectivity dopamine D-1 receptor antagonist with the Ki values of 12.6 nM and 1290 nM for dopamine D-1 receptor and dopamine D-2 receptor, respectively.
    A-69024
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