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-100161
    CI-943
    		Antagonist
    CI-943 is a potential antipsychotic agent.
    CI-943
  • HY-181425
    N-Desmethyl xanomeline
    N-Desmethyl xanomeline is a pharmacologically active metabolite of Xanomeline (HY-105182). N-Desmethyl xanomeline binds to muscarinic, serotonergic, histaminergic and dopaminergic receptors. N-Desmethyl xanomeline can be used for the research of schizophrenia.
    N-Desmethyl xanomeline
  • HY-105903
    Piquindone
    		Ligand
    Piquindone (Ro 22-1319) is a potent antipsychotic agent. Piquindone binds to a D2 dopaminergic receptor subtype in a sodium-dependent manner. Piquindone can be used in the research of schizophrenia.
    Piquindone
  • HY-17382R
    Metoclopramide (Standard)
    		Antagonist
    Metoclopramide (Standard) is the analytical standard of Metoclopramide. This product is intended for research and analytical applications. 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 (Standard)
  • HY-174307
    Dopamine D3 receptor ligand-6
    		Antagonist
    Dopamine D3 receptor ligand-6 (Compound 196476) is a selective dopamine D3 receptor (D3) antagonist. Dopamine D3 receptor ligand-6 is promising for research of substance use disorders (such as opioid and psychostimulant addiction).
    Dopamine D3 receptor ligand-6
  • HY-B0732S
    Itopride-d6 hydrochloride
    		Inhibitor
    Itopride-d6 (hydrochloride) is deuterium labeled Itopride (hydrochloride). Itopride hydrochloride (HSR803), a gastroprokinetic Benzamide (HY-Z0283) derivative, is an inhibitor of acetylcholinesterase (AChE) and dopamine D2 receptor.
    Itopride-d<sub>6</sub> hydrochloride
  • HY-182381
    FLA-797
    		Inhibitor
    FLA-797 is a brain-penetrant dopamine D2 receptor blocker and very low affinity for dopamine D1 receptors. FLA-797 selectively binds to and blocks postsynaptic dopamine D2 receptors. FLA-797 induces catalepsy in male rats. FLA-797 blocks dopamine agonist-induced hypothermia in male rats. FLA-797 contributes marginally to the dopamine D2 receptor-blocking activity of Remoxipride (HY-101313) in male rats. FLA-797 does not mimic the atypical antipsychotic profile of Remoxipride. FLA-797 can be used for research on mental disorders.
    FLA-797
  • HY-G0003A
    Milsaperidone
    		Antagonist
    Milsaperidone ((S)-Hydroxy Iloperidone) is an active metabolite of the antipsychotic agent Iloperidone (HY-17410). Milsaperidone is a dopamine D2 and 5-HT2A receptor antagonist. Milsaperidone rapidly converts to Iloperidone when taken orally. Milsaperidone can be used in the research of mental illnesses such as depression.
    Milsaperidone
  • HY-114618
    S33084
    		Antagonist
    S33084 is a dopamine D(3)-receptor antagonist with the pKi values of 8.72, 8.62 and 6.82 of cloned rat dopamine D3 receptor, native rat dopamine D3 and D2 receptor.
    S33084
  • HY-A0019BS
    (R)-9-Hydroxy Risperidone-d4
    (R)-9-Hydroxy Risperidone-d4 is the deuterium labeled (R)-9-Hydroxy Risperidone.
    (R)-9-Hydroxy Risperidone-d<sub>4</sub>
  • HY-159106
    MeSeI
    		Modulator
    MeSeI exhibits a weak inhibitory activity against monoamine oxidase MAO-A and MAO-B (IC50=198.8 µM). MeSeI regulates dopamine receptor D2 and norepinephrine receptor α2, β1, and exhibits antidepressant-like effect in mice. MeSeI is orally active.
    MeSeI
  • HY-B1904A
    Fluphenazine decanoate dihydrochloride
    		Inhibitor
    Fluphenazine decanoate dihydrochloride is a CNS-penetrant dopamine D2 receptor inhibitor, is a long-acting phenothiazine neuroleptic. Fluphenazine can be used for schizophrenia research.
    Fluphenazine decanoate dihydrochloride
  • HY-119638
    Oxiperomide
    		Inhibitor
    Oxiperomide is an orally active dopamine-blocking agent.
    Oxiperomide
  • HY-14545B
    SEP-4199
    SEP4199 is an orally active 5-HT7 receptor ligand, with a Ki value of 66 nM for human 5-HT7R and 16 nM for human D2R. SEP4199 mediates antidepressant effects. SEP4199 is applicable for the research of bipolar depression.
    SEP-4199
  • HY-W742532
    ETH-LAD
    		Modulator
    ETH-LAD (N-Ethyl-nor-LSD) is an activator for 5-HT2A receptor with Ki of 5.1 nM. ETH-LAD exhibits affinity for dopamine receptor D1 and dopamine receptor D2 with Ki of 22.1 nM and 4.4 nM. ETH-LAD acts as psychoactive substance in rat model.
    ETH-LAD
  • HY-A0077AS
    Perphenazine-d8 dihydrochloride
    		Inhibitor ≥98.0%
    Perphenazine-d8 (dihydrochloride) is the deuterium labeled Perphenazine, which is a typical antipsychotic agent(5-HT, Dopamine receptor ligand).
    Perphenazine-d<sub>8</sub> dihydrochloride
  • HY-100656R
    Desmethyl cariprazine (Standard)
    		Modulator
    Desmethyl cariprazine (Standard) is the analytical standard of Desmethyl cariprazine (HY-100656). This product is intended for research and analytical applications. Desmethyl cariprazine is an active metabolite of Cariprazine. Cariprazine, an antipsychotic agent candidate, exhibits high affinity for the D3 (Ki=0.085 nM) and D2 (0.49 nM) receptors, and moderate affinity for the 5-HT1A receptor (2.6 nM).
    Desmethyl cariprazine (Standard)
  • HY-108510R
    Rimcazole dihydrochloride (Standard)
    		Inhibitor
    Rimcazole dihydrochloride (Standard) is the analytical standard of Rimcazole (dihydrochloride) (HY-108510). This product is intended for research and analytical applications. Rimcazole (BW 234U) dihydrochloride is a carbazole derivative that acts in part as a sigma (σ) receptor antagonist. Rimcazole dihydrochloride also binds with moderate affinity to the dopamine transporter and inhibit dopamine uptake. Rimcazole dihydrochloride can reduce locomotor activity and sensitization. Rimcazole dihydrochloride also can be used for the research of cancer.
    Rimcazole dihydrochloride (Standard)
  • HY-133728
    Piribedil N-oxide
    		Control
    Piribedil N-oxide is a metabolite of the dopamine receptor agonist Piribedil (HY-12707).
    Piribedil N-oxide
  • HY-111210
    Pridopidine hydrochloride
    		Antagonist
    Pridopidine (ACR16) hydrochloride, 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-fold higher than its affinity toward D2R.
    Pridopidine hydrochloride
Cat. No. Product Name / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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