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

Dopamine Receptor

Dopamine Receptor

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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.

Dopamine Receptor Isoform Specific Products:

Dopamine Receptor Isoform Comparison
Cat. No. Product Name Effect Purity Chemical Structure
  • HY-103406
    PNU-177864
    		Antagonist
    PNU-177864 is a potent, selective, orally active dopamine D3 receptor antagonist. PNU-177864 induces phospholipid metabolism in vivo and has anti-schizophrenia activity.
    PNU-177864
  • HY-19225A
    Ensaculin free base
    		Antagonist
    Ensaculin free base (KA-672) is a NMDA antagonist and have high affinities to serotonergic 5-HT1A and 5-HT7 receptors, adrenergic α1, and dopaminergic D2 and D3 receptors. Ensaculin free base is a memory-enhancing agent. Ensaculin free base has the potential as an antidementia agent acting on various transmitter systems.
    Ensaculin free base
  • HY-19654B
    (-)-GSK598809
    		Antagonist
    (-)-GSK598809 ((1S,5R)-GSK598809) is an isomer of GSK598809. GSK598809 is a potent and selective dopamine D3 Receptor (DRD3) antagonist.
    (-)-GSK598809
  • HY-166562S
    Levomepromazine-d6 hydrochloride
    		Antagonist
    Levomepromazine-d6 hydrochloride (Methotrimeprazine-d6 hydrochloride) is the deuterium labeled Levomepromazine hydrochloride. Levomepromazine (Methotrimeprazine) hydrochloride is an orally active antipsychotic compound and Ca2+ release inducer. Levomepromazine inhibits SERCA pump and induces an increase in cytoplasmic Ca2+ levels. Levomepromazine hydrochloride has antagonistic effects on a variety of neurotransmitter receptors, including dopamine, cholinergic, serotonin, and histamine receptors. Levomepromazine hydrochloride can induce adaptive ER stress and autophagy. In addition, Levomepromazine hydrochloride has antiviral, anti-inflammatory, neuroprotective and analgesic, sedative and anti-injurious activities. Levomepromazine hydrochloride can be used in the study psychiatric disorders and relieving nausea and vomiting.
    Levomepromazine-d<sub>6</sub> hydrochloride
  • HY-181049
    FMJ-01-054
    		Antagonist
    FMJ-01-054 is a selective dopamine D4 Receptor (D4R) antagonist with a Ki od 77.7 nM. FMJ-01-054 shows subtype selectivity over D2R and D3R. FMJ-01-054 inhibits D4R-mediated β-arrestin recruitment and cAMP production with IC50 values of 3800 nM and 134 nM, respectively. FMJ-01-054 has desirable plasma half-life and brain exposure in rats. FMJ-01-054 can be used for the research of neurological disorders.
    FMJ-01-054
  • HY-100703S
    Pipamperone-d10 dihydrochloride
    		Antagonist
    Pipamperone-d10 (Floropipamide-d10) dihydrochloride is a deuterated Pipamperone dihydrochloride (HY-100703A). Pipamperone dihydrochloride (Floropipamide dihydrochloride) is a butyrophenone derivative and high-affinity antagonist of 5-HT2A receptor (pKi=8.2) and D4 receptor (pKi=8.0). Pipamperone dihydrochloride is also a low-affinity antagonist of D2 receptor (pKi=6.7). Pipamperone dihydrochloride affects neurotransmitter functions and exerts antipsychotic activity. Pipamperone dihydrochloride is used in the research of mental disorders such as autism-related behavioral disorders and Alzheimer's disease.
    Pipamperone-d<sub>10</sub> dihydrochloride
  • HY-48817
    Nor-SCH-12679 maleate
    		Antagonist
    Nor-SCH-12679 (maleate) is a compound mentioned in the study of the effects of peppermint oil components on mouse activity. As a dopamine antagonist, it can weaken the promoting effect of peppermint oil components on mouse activity.
    Nor-SCH-12679 maleate
  • HY-111066
    JNJ-37822681
    		Antagonist
    JNJ-37822681 is a fast dissociating D2 antagonist with activity in inhibiting schizophrenia. JNJ-37822681 has high specificity for D2 receptors and is effective in animal models, inducing increased levels of extracellular serotonin, dopamine, and norepinephrine in the rat cerebral cortex, and exhibiting antidepressant activity in the mouse tail suspension test, while having a good brain distribution and lower prolactin release.
    JNJ-37822681
  • HY-B1225A
    Promazine
    		Antagonist
    Promazine (Romtiazin) is an antipsychotic and a dopamine receptor D2 antagonist. Promazine inhibits dopaminergic neurotransmission.
    Promazine
  • HY-108976
    Raclopride tartrate
    		Antagonist
    Raclopride tartrate is a selective dopamine D2/D3 receptor antagonist with potential antipsychotic effects. Raclopride tartrate binds to D2 and D3 receptors with Kis of 1.8 nM and 3.5 nM, respectively.
    Raclopride tartrate
  • HY-14541S2
    Olanzapine-d8
    		Antagonist 99.9%
    Olanzapine-d8 is a deuterated labeled Olanzapine. 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.
    Olanzapine-d<sub>8</sub>
  • HY-14555
    S 33138
    		Antagonist
    S33138 is a D3 receptor antagonist. S33138 inhibits addiction in animal models of addiction. S33138 reduces cognitive impairment in rodent and primate models of schizophrenia and Parkinson's disease. S33138 can be used in research on neurological disorders such as schizophrenia and Parkinson's disease.
    S 33138
  • HY-11018R
    Risperidone (Standard)
    		Antagonist
    Risperidone (Standard) is the analytical standard of Risperidone. This product is intended for research and analytical applications. 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.
    Risperidone (Standard)
  • HY-126635R
    Mafoprazine (Standard)
    		Antagonist
    Mafoprazine (Standard) is the analytical standard of Mafoprazine. This product is intended for research and analytical applications. Mafoprazine is a phenylpiperazine derivative with variable affinities for neuronal receptors. It may exert its antipsychotic effects primarily through D2 receptor blockade and α-adrenergic activity, and may increase the activity of dopamine metabolites.
    Mafoprazine (Standard)
  • HY-14827A
    Zicronapine fumarate
    		Antagonist
    Zicronapine (Lu 31-130) fumarate is an antipsychotic agent with a strong pro-cognitive effect in animal models and the potential to treat a number of neurological and psychiatric diseases. Zicronapine (Lu 31-130) fumarate has potent antagonistic effects at dopamine D1/D2, and serotonin 5-HT2A receptors.
    Zicronapine fumarate
  • HY-106936
    Mazapertine
    		Antagonist 99.37%
    Mazapertine is an orally active antipsychotic agent. M azapertine antagonizes to dopamine D2/3/4 receptors (Ki values < 3 nM) and also strongly binds to serotonin 5-HT1A receptor (Ki =1.7 nM) and α1-adrenergic receptor (Ki = 1.3 nM). Mazapertine can be used for the research of neurological disease.
    Mazapertine
  • HY-128386
    Cinitapride monotartrate
    		Antagonist
    Cinitapride monotartrate is a 5-HT1A and 5-HT4 agonist. Cinitapride monotartrate is also a 5-HT2A and D2 antagonist. Cinitapride monotartrate can be used for the research of functional dyspepsia.
    Cinitapride monotartrate
  • HY-B1693A
    Levomepromazine hydrochloride
    		Antagonist
    Levomepromazine (Methotrimeprazine) hydrochloride is an orally active antipsychotic compound and Ca2+ release inducer. Levomepromazine inhibits SERCA pump and induces an increase in cytoplasmic Ca2+ levels. Levomepromazine hydrochloride has antagonistic effects on a variety of neurotransmitter receptors, including dopamine, cholinergic, serotonin, and histamine receptors. Levomepromazine hydrochloride can induce adaptive ER stress and autophagy. In addition, Levomepromazine hydrochloride has antiviral, anti-inflammatory, neuroprotective and analgesic, sedative and anti-injurious activities. Levomepromazine hydrochloride can be used in the study psychiatric disorders and relieving nausea and vomiting.
    Levomepromazine hydrochloride
  • HY-107081
    Berupipam hemifumarate
    		Antagonist
    Berupipam hemifumarate is a selective antagonist of the dopamine D1 receptor (dopamine D1 receptor). Berupipam hemifumarate is a substrate of UDP-glucuronosyltransferase (UGT) and has a high affinity for UGT enzymes but a relatively low conversion rate. The glucuronidation rate of Berupipam hemifumarate varies among different species and genders. Berupipam hemifumarate can be used for the study of psychotic disorders.
    Berupipam hemifumarate
  • HY-11018S1
    Risperidone-d4-1
    		Antagonist
    Risperidone-d4-1 (R 64 766-d4-1) is the deuterium labeled Risperidone (HY-11018). 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.
    Risperidone-d<sub>4</sub>-1
Cat. No. Product Name / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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