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-101313B
    (S)-Remoxipride hydrochloride hydrate
    Antagonist
    (S)-Remoxipride ((-)-Remoxipride) hydrochloride hydrate ((S)-Remoxipride hydrochloride hydrate) is a selective dopamine D2-receptor antagonist with an IC50 value of 1.57 μM. (S)-Remoxipride hydrochloride hydrate can be used for the research of psychotic disorder.
    (S)-Remoxipride hydrochloride hydrate
  • HY-121898
    Milenperone
    Antagonist
    Milenperone (R 34009) is a dopamine atagonist. Milenperone can be used in the study for neurological disease.
    Milenperone
  • HY-100703R
    Pipamperone (Standard)
    Antagonist
    Pipamperone (Standard) is the analytical standard of Pipamperone (HY-100703). This product is intended for research and analytical applications. Pipamperone (Floropipamide) is a butyrophenone derivative and high-affinity antagonist of 5-HT2A receptor (pKi=8.2) and D4 receptor (pKi=8.0). Pipamperone is also a low-affinity antagonist of D2 receptor (pKi=6.7). Pipamperone affects neurotransmitter functions and exerts antipsychotic activity. Pipamperone is used in the research of mental disorders such as autism-related behavioral disorders and Alzheimer's disease.
    Pipamperone (Standard)
  • HY-B1794R
    Thiethylperazine (Standard)
    Antagonist
    Thiethylperazine (Standard) is the analytical standard of Thiethylperazine. This product is intended for research and analytical applications. Thiethylperazine, a phenothiazine derivate, is an orally active and potent dopamine D2-receptor and histamine H1-receptor antagonist. Thiethylperazine is also a selective ABCC1activator that reduces amyloid-β (Aβ) load in mice. Thiethylperazine has anti-emetic, antipsychotic and antimicrobial effects.
    Thiethylperazine (Standard)
  • HY-W151617A
    Desethoxy Quetiapine dihydrochloride
    Antagonist
    Desethoxy Quetiapine dihydrochloride (Compound 28) is an antagonist for dopamine D2 receptor with an IC50 of 1330 nM. Desethoxy Quetiapine dihydrochloride antagonises Apomorphine (HY-12723)-induced climbing and swimming disruption in mouse models.
    Desethoxy Quetiapine dihydrochloride
  • HY-A0019AR
    Paliperidone palmitate (Standard)
    Antagonist
    Paliperidone palmitate (Standard) is the analytical standard of Paliperidone palmitate. This product is intended for research and analytical applications. Paliperidone palmitate is an orally effective competitive antagonist of dopamine D2 receptors and 5-hydroxytryptamine 2A (5-HT2A) receptors that can cross the blood-brain barrier. Paliperidone palmitate competitively inhibits the effects of dopamine and 5-hydroxytryptamine by binding to dopamine D2 receptors and 5-HT2A receptors, regulating the balance of the neurotransmitter system and thus exerting antipsychotic activity. Paliperidone palmitate is mainly used in the research field of schizophrenia.
    Paliperidone palmitate (Standard)
  • HY-111160
    SKF 83509
    Antagonist
    SKF 83509, a desmethyl analogue of SCH 23390 (HY-19545A), is a selective dopamine D1 antagonist with a Ki of 70.2 nM. SKF 83509 has no activity at dopamine D2 receptors.
    SKF 83509
  • HY-10121S4
    Asenapine-d3,13C
    Antagonist
    Asenapine-d3,13C (Org 5222-d3,13C) is deuterium and 13C labeled Asenapine. Asenapine (Org 5222), 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 can be used in the research of schizophrenia and bipolar disorder.
    Asenapine-d<sub>3</sub>,<sup>13</sup>C
  • HY-14328A
    Sonepiprazole hydrochloride
    Antagonist
    Sonepiprazole (PNU-101387G) hydrochloride 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 hydrochloride
  • HY-111006
    (+)-UH 232
    Antagonist
    (+)-UH 232 is a partially selective agonist of the D3 receptor with an intrinsic activity of 0.2-0.4. (+)-UH 232 antagonized quinpirole-induced mitogenesis with a Ki value of 9.4 nM.
    (+)-UH 232
  • HY-101382R
    GR 103691 (Standard)
    Antagonist
    GR 103691 (Standard) is the analytical standard of GR 103691 (HY-101382). This product is intended for research and analytical applications. GR 103691 is a potent, selective dopamine D3 receptor antagonist with a Ki value of 0.4 nM. GR 103691 shows more than 100-fold selectivity for human dopamine human (h)D3 over hD4 and hD1 sites.
    GR 103691 (Standard)
  • HY-B2089R
    Cinitapride (Standard)
    Antagonist
    Cinitapride (Standard) is the analytical standard of Cinitapride. This product is intended for research and analytical applications. Cinitapride is a nonselective 5-HT1 and 5-HT4 receptors agonist and a 5-HT2 and D2 antagonist. Cinitapride can be used in functional dyspepsia (FD) and gastroesophageal reflux disease (GERD) research.
    Cinitapride (Standard)
  • HY-G0002
    Lurasidone metabolite 14326
    Antagonist
    Lurasidone metabolite 14326 is a minor active metabolite of Lurasidone (HY-B0032A) generated via metabolism by CYP3A4. Lurasidone metabolite 14326 shares similar receptor-binding properties with Lurasidone, acting as an antagonist of the dopamine D2 receptor (dopamine D2 receptor), an antagonist of the serotonin 5-HT2A and 5-HT7 receptors (5-HT2A and 5-HT7 receptor), and a partial agonist of the serotonin 5-HT1A receptor. Lurasidone metabolite 14326 can be used in the research of schizophrenia and bipolar depression.
    Lurasidone metabolite 14326
  • HY-165622
    Butaclamol
    Antagonist
    Butaclamol is a antipsychotic agent and act as a D2 receptor antagonist.
    Butaclamol
  • HY-14545R
    Amisulpride (Standard)
    Antagonist
    Amisulpride (Standard) is the analytical standard of Amisulpride. This product is intended for research and analytical applications. Amisulpride is a dopamine D2/D3 receptor antagonist with Kis of 2.8 and 3.2 nM for human dopamine D2 and D3, respectively.
    Amisulpride (Standard)
  • HY-B1573A
    (±)-Butaclamol hydrochloride
    Antagonist
    (±)-Butaclamol hydrochloride (AY-23,028) is the antagonist for adrenergic receptor and dopamine receptor. (±)-Butaclamol hydrochloride antagonizes amphetamine or Apomorphine (HY-12723)-induced stereotyped behaviors and emesis, inhibits discriminative avoidance behavior, and induces catalepsy in rats models.
    (±)-Butaclamol hydrochloride
  • HY-U00415
    Benzamide Derivative 1
    Antagonist
    Benzamide Derivative 1 is a benzamide derivative from patent EP0213775A1, compound 18. Benzamide Derivative 1 may be useful in treatment of gastrointestinal disorders.
    Benzamide Derivative 1
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