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-B1225S
    Promazine-d6 hydrochloride
    		Antagonist
    Promazine-d6 (hydrochloride) (Romtiazin-d6 (hydrochloride)) is deuterium labeled Promazine (hydrochloride). Promazine (Romtiazin) hydrochloride is an antipsychotic and a dopamine receptor D2 antagonist. Promazine hydrochloride inhibits dopaminergic neurotransmission.
    Promazine-d<sub>6</sub> hydrochloride
  • HY-119389
    RGH-1756
    		Antagonist
    RGH-1756 is an atypical antipsychotic that has a strong and selective antagonist activity on human D3 and less pronounced activity on human D2L and 5HT1A receptors.
    RGH-1756
  • HY-119093R
    Halopemide (Standard)
    		Antagonist
    Halopemide (Standard) is the analytical standard of Halopemide. This product is intended for research and analytical applications. Halopemide is a potent phospholipase D (PLD) inhibitor, with IC50s of 220 and 310 nM for human PLD1 and PLD2, respectively. Halopemid is a dopamine receptors antagonist, and acts a psychotropic agent.
    Halopemide (Standard)
  • HY-101094R
    Ocaperidone (Standard)
    		Antagonist
    Ocaperidone (Standard) is the analytical standard of Ocaperidone (HY-101094). This product is intended for research and analytical applications. Ocaperidone is an effective antipsychotic agent, acting as a potent 5-HT2 and dopamine D2 antagonist, and a 5-HT1A agonist, with Kis of 0.14 nM, 0.46 nM, 0.75 nM, 1.6 nM and 5.4 nM for 5-HT2, a1-adrenergic receptor, dopamine D2, histamine H1 and a2-adrenergic receptor, respectively, and a pEC50 and pKi of 7.60 and 8.08 for h5-HT1A.
    Ocaperidone (Standard)
  • HY-14263R
    Pericyazine (Standard)
    		Antagonist
    Pericyazine (Standard) is the analytical standard of Pericyazine. This product is intended for research and analytical applications. Pericyazine (Propericiazine) is a first-generation antipsychotic agent that is used as an adjunct to the short-term management of severe anxiety states and psychosis. Pericyazine is a selective D2-dopamine receptor antagonist. Pericyazine has adrenolytic, anticholinergic, and extrapyramidal effects.
    Pericyazine (Standard)
  • HY-115418
    Alentemol hydrobromide
    		Antagonist
    Alentemol (hydrobromide) is a dopamine antagonist and dihydrophenalene analog with dimethylamino substitution and an orthophenolic hydroxy group relative to the amino nitrogen. Alentemol (hydrobromide) does not impair escape response at a dose that completely suppresses conditioned avoidance in rats.
    Alentemol hydrobromide
  • HY-101747
    ADR 851 free base
    		Antagonist
    ADR 851 free base is a dopamine D2 receptor antagonist,and can be used in research on antiemetics.
    ADR 851 free base
  • HY-103414S
    Raclopride-d5 hydrochloride
    		Antagonist 99.82%
    Raclopride-d5 hydrochloride is the deuterium labeled Raclopride. Raclopride is a dopamine D2/D3 receptor antagonist, which binds to D2 and D3 receptors with dissociation constants (Kis) of 1.8 nM and 3.5 nM, respectively, but has a very low affinity for D1 and D4 receptors with Kis of 18000 nM and 2400 nM, respectively.
    Raclopride-d<sub>5</sub> hydrochloride
  • HY-118209
    L 646462
    		Antagonist
    L-646462 is an antagonist of dopamine and 5-HT, with selectivity for the peripheral system (the central/peripheral activity ratio of L-646462 is 143). L-646462 can be used in research related to nausea, vomiting, and associated neurological disorders.
    L 646462
  • HY-14542R
    Ziprasidone (Standard)
    		Antagonist
    Ziprasidone (Standard) is the analytical standard of Ziprasidone. This product is intended for research and analytical applications. 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).
    Ziprasidone (Standard)
  • HY-103104R
    Fananserin (Standard)
    		Antagonist
    Fananserin (Standard) is the analytical standard of Fananserin (HY-103104). This product is intended for research and analytical applications. Fananserin (RP 62203) is an orally bioavailable, potent and selective 5-hydroxytryptamine2 (5-HT2) receptor antagonist, with a Ki of 0.37 nM for the rat 5-HT2A receptor. Fananserin also is a selective dopamine D4 receptor antagonist, with a Ki of 2.93 nM for the human dopamine D4 receptor.
    Fananserin (Standard)
  • HY-123676
    Sonepiprazole mesylate
    		Antagonist
    Sonepiprazole mesylate is a selective D4 dopamine antagonist with Kis of 3.6, 10.1, 5147, and 7430 nM for rD4-Dopamine, hD4.2-Dopamine, rD2-Dopamine, and Histamine-H1 receptors, respectively.
    Sonepiprazole mesylate
  • HY-119076
    A31472
    		Antagonist
    A31472 is a dopamine D-2 receptors antagonist that is promising for research of antipsychotic agents.
    A31472
  • HY-U00021
    Clothixamide
    		Antagonist
    Clothixamide (Clotixamide) is an orally active and brain-penetrant dopamine antagonist. Clothixamide can be used for the research of psychiatric disorders.
    Clothixamide
  • HY-101619
    Abaperidone
    		Antagonist
    Abaperidone is a potent antagonist of 5-HT2A receptor and dopamine D2 receptor with IC50s of 6.2 and 17 nM.
    Abaperidone
  • HY-U00077
    Org-10490
    		Antagonist
    Org-10490 is an antagonist of dopamine D1 receptor and dopamine D2 receptor, used for the treatment for psychiatric disease.
    Org-10490
  • HY-101641
    NRA-0160
    		Antagonist
    NRA-0160 is a selective dopamine D4 receptor antagonist, with a Ki value of 0.48 nM and with negligible affinity for dopamine D2 receptor (Ki: >10000 nM), D3 receptor (Ki: 39 nM), rat 5-HT2A receptor (Ki: 180 nM) and rat α1 adrenoceptor (Ki: 237 nM).
    NRA-0160
  • HY-14793
    Lensiprazine
    		Antagonist
    Lensiprazine is a potent dopamine D2 receptor (D2R) antagonist that acts as a serotonin reuptake inhibitor. Lensiprazine can be used to study bipolar disorder and schizophrenia.
    Lensiprazine
  • HY-119980BS
    Fluphenazine-d6 hydrochloride
    		Antagonist
    Fluphenazine-d6 (hydrochloride) is deuterium labeled Fluphenazine (hydrochloride). Fluphenazine hydrochloride is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine hydrochloride blocks neuronal voltage-gated sodium channels. Fluphenazine hydrochloride acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine hydrochloride can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine hydrochloride can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2.
    Fluphenazine-d<sub>6</sub> hydrochloride
  • HY-119385
    Savoxepin mesylate
    		Antagonist
    Savoxepin mesylate is a D2 dopamine receptor (D2 Dopamine Receptor) antagonist with antipsychotic activity. Savoxepin mesylate selectively blocks dopamine D2 receptors in the hippocampus while having no significant effect on D2 receptors in the striatum. This selective blockade helps reduce the risk of extrapyramidal side effects (EPS).
    Savoxepin mesylate
Cat. No. Product Name / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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