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-106605
    Flumezapine
    		Antagonist
    Flumezapine (LY 120363) is a potent and balanced antagonist of the dopamine D2 receptor and the 5-hydroxytryptamine receptor (5-HT receptor). Flumezapine does not alter the increase in serum cortisol caused by κ-opioid receptor agonists. Flumezapine inhibits the conditioned avoidance response in rats and has a low risk of extrapyramidal side effects. Flumezapine can be used in antipsychotic research.
    Flumezapine
  • HY-A0077S2
    Perphenazine-d6 fumarate
    		Antagonist
    Perphenazine-d6 (fumarate) is a deuterated labeled Perphenazine. Perphenazine is an orally active dopamine receptor and histamine-1 receptor antagonist, with Ki values of 0.56 nM (D2), 0.43 nM (D3), 6 nM (5-HT2A), respectively. Perphenazine also binds to Alpha-1A adrenergic receptor. Perphenazine inhibits cancer cell proliferation, and induces apoptosis. Perphenazine can be used in the research of mental disease, cancer, inflammation.
    Perphenazine-d<sub>6</sub> fumarate
  • HY-A0077A
    Perphenazine dihydrochloride
    		Antagonist
    Perphenazine dihydrochloride is an orally active dopamine receptor and histamine-1 receptor antagonist, with Ki values of 0.56 nM (D2), 0.43 nM (D3), 6 nM (5-HT2A), respectively. Perphenazine dihydrochloride also binds to Alpha-1A adrenergic receptor. Perphenazine dihydrochloride inhibits cancer cell proliferation, and induces apoptosis. Perphenazine dihydrochloride can be used in the research of mental disease, cancer, inflammation.
    Perphenazine dihydrochloride
  • HY-A0163BR
    Zuclopenthixol dihydrochloride (Standard)
    		Antagonist
    Zuclopenthixol (dihydrochloride) (Standard) is the analytical standard of Zuclopenthixol (dihydrochloride). This product is intended for research and analytical applications. Zuclopenthixol ((Z)-Clopenthixol) dihydrochloride is a thioxanthene derivative which acts as a mixed dopamine D1/D2 receptor antagonist. Zuclopenthixol dihydrochloride is used in the study of schizophrenia.
    Zuclopenthixol dihydrochloride (Standard)
  • HY-W700204
    N-(p-Aminophenethyl)spiperone
    		Antagonist
    N-(p-Aminophenethyl) spiperone is a selective D2-like dopamine receptor antagonist. N-(p-Aminophenethyl) spiperone binds to the ligand recognition sites of functional D2 and D3 dopamine receptors. N-(p-Aminophenethyl) spiperone serves as a research tool compound for labeling, localizing and identifying D2 and D3 dopamine receptors.
    N-(p-Aminophenethyl)spiperone
  • HY-14539S3
    Clozapine-d3
    		Antagonist
    Clozapine-d3 (HF 1854-d3) is deuterium labeled Clozapine. Clozapine (HF 1854) 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-d<sub>3</sub>
  • HY-100703A
    Pipamperone dihydrochloride
    		Antagonist
    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 dihydrochloride
  • HY-B0731AS
    Perospirone-d8
    		Antagonist
    Perospirone-d8 (SM-9018-d8 (free base)) is deuterium labeled Perospirone. Perospirone (SM-9018 free base) is an orally active antagonist of 5-HT2A receptor (Ki=0.6 nM) and dopamine D2 receptor (Ki=1.4 nM), and also a partial agonist of 5-HT1A receptor (Ki=2.9 nM). Perospirone is an atypical antipsychotic agent and has the potential for schizophrenic disease research.
    Perospirone-d<sub>8</sub>
  • HY-B1059R
    Levosulpiride (Standard)
    		Antagonist
    Levosulpiride (Standard) is the analytical standard of Levosulpiride. This product is intended for research and analytical applications. Levosulpiride (RV-12309) is the (S)-enantiomer of sulpiride, which is a D2 receptor a antagonist, an atypical antipsychotic agent of the benzamide class.
    Levosulpiride (Standard)
  • HY-W648166
    Dopamine D2 receptor antagonist-3
    		Antagonist
    Dopamine D2 receptor antagonist-3 (Example 17) is an orally active and selective dopamine D2 receptor antagonist with a pIC50 of 5.52. Dopamine D2 receptor antagonist-3 exhibits antipsychotic activity in the Apomorphine (HY-12723) induced agitation in rats. Dopamine D2 receptor antagonist-3 can be used for psychiatric and neurological disorders research.
    Dopamine D2 receptor antagonist-3
  • HY-114539
    L-750667 triHydrochloride
    		Antagonist 99.39%
    L-750667 triHydrochloride is a selective antagonist for the D4 dopamine receptor, with a Ki value of 0.51 nM. The radiolabeled form of L-750667, [125I]L-750,667, has a Kd value of 0.16 nM for the D4 receptor. L-750667 triHydrochloride can reverse dopamine-induced inhibition of cAMP accumulation. It can be used to study the distribution and function of D4 dopamine receptors in the central nervous system and has potential applications in the fields of neuroscience and psychiatry.
    L-750667 triHydrochloride
  • HY-106943
    1192U90
    		Antagonist
    1192U90 is an antipsychotic agent, dopamine D2 receptor antagonist as well as serotonin 5-HT1a receptor agonist. 1192U90 reduces the number of spontaneously firing neurons in the limbic dopamine system.
    1192U90
  • HY-119980A
    Fluphenazine dimaleate
    		Antagonist
    Fluphenazine dimaleate is a potent, orally active phenothiazine-based dopamine receptor antagonist. Fluphenazine dimaleate blocks neuronal voltage-gated sodium channels. Fluphenazine dimaleate acts primarily through antagonism of postsynaptic dopamine-2 receptors in mesolimbic, nigrostriatal, and tuberoinfundibular neural pathways. Fluphenazine dimaleate can antagonize Methylphenidate-induced stereotyped gnawing and inhibit climbing behaviour in mice. Fluphenazine dimaleate can be used for researching psychosis and painful peripheral neuropathy associated with diabetes and has potential to inhibit SARS-CoV-2.
    Fluphenazine dimaleate
  • HY-W654010
    Lurasidone-d8-1 hydrochloride
    		Antagonist
    Lurasidone-d8-1 (hydrochloride) is deuterium labeled Lurasidone (Hydrochloride). Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is an antagonist of both dopamine D2 and 5-HT7 with IC50s of 1.68 and 0.495 nM, respectively. Lurasidone (Hydrochloride) (SM-13496 (Hydrochloride)) is also a partial agonist of 5-HT1A receptor with an IC50 of 6.75 nM.
    Lurasidone-d<sub>8</sub>-1 hydrochloride
  • HY-126635A
    Mafoprazine methanesulfonate
    		Antagonist
    Mafoprazine methanesulfonate 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 methanesulfonate
  • HY-17410S1
    Iloperidone-d3 hydrochloride
    		Antagonist
    Iloperidone-d3 hydrochloride is deuterated labeled Iloperidone (HY-17410). Iloperidone (HP 873) is a D2/5-HT2 receptor antagonist. Iloperidone is an atypical antipsychotic for the schizophrenia symptoms.
    Iloperidone-d<sub>3</sub> hydrochloride
  • HY-155706
    MOR agonist-2
    		Antagonist
    MOR agonist-2 (compound 46) is a antagonist of D3R and agonist of MOR (Ki: 7.26 nM and 564 nM, respectively). MOR agonist-2 has the potential to produce analgesic effects through MOR partial agonism. MOR agonist-2 reduces opioid-misuse liability via D3R antagonism.
    MOR agonist-2
  • HY-106820
    BRL 34778
    		Antagonist
    BRL 34778 is a potent, selective and orally active dopamine D2 receptor antagonist with a Ki of 2.14 nM. BRL 34778 exhibits antipsychotic activity with low activity for extrapyramidal effects and sedation. BRL 34778 can be used for the research of neurological disease, such as schizophrenia.
    BRL 34778
  • HY-W647997
    Isoremoxipride
    		Antagonist
    Isoremoxipride is a dopamine antagonist. Isoremoxipride is a 3-methoxy isomer that exhibits affinities for the dopamine D2 receptor.
    Isoremoxipride
  • HY-145905
    D4R antagonist-1
    		Antagonist
    D4R antagonist-1 is a potent and selective D4R antagonist with an IC50 of 6.87 µM. D4R antagonist-1 has the potential for the research of Parkinson’s disease.
    D4R antagonist-1
Cat. No. Product Name / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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