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-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
  • HY-143994S
    Metopimazine acid-d6 (hydrochloride)
    		Antagonist
    Metopimazine-d6 hydrochloride is the deuterium labeled Metopimazine (HY-116578). Metopimazine (EXP999; RP9965) is a phenothiazine, orally available, selective dopamine D2 receptor antagonist that does not penetrate the blood-brain barrier. Metopimazine blocks dopamine D2 receptors in the chemoreceptor trigger zone and the periphery, thereby inhibiting nausea and vomiting. Metopimazine is indicated for chemotherapy-induced nausea and vomiting, and has low central side effects due to its poor brain penetration. The use of metopimazine in acute gastroenteritis may have potential risks.
    Metopimazine acid-d<sub>6</sub> (hydrochloride)
  • HY-111280
    ST 198
    		Antagonist
    ST 198 is an orally active D3R antagonist. ST 198 can block the expression of nicotine-induced CPP at doses selective for D3R. ST 198 can be used for the research of neurological disease.
    ST 198
  • HY-175505
    Dopamine D3 receptor antagonist-3
    		Antagonist
    Dopamine D3 receptor antagonist-3 is a D3 dopamine receptor (D3R)-selective positive allosteric modulator (PAM)-antagonist that can cross the blood-brain barrier. Dopamine D3 receptor antagonist-3 exhibits antagonist activity in the D3R-mediated β-arrestin recruitment assay with an IC50 and a Kd of 2.5 μM and 0.49 μM. amine D3 receptor antagonist-3 is also an antagonist in the D3R-mediated Go-BRET assay with an IC50 of 0.34 μM. Dopamine D3 receptor antagonist-3 can be used for the study of neuropsychiatric disorders, including substance use disorder.
    Dopamine D3 receptor antagonist-3
  • HY-A0019AS
    Paliperidone palmitate-d4
    Paliperidone palmitate-d4 (9-Hydroxyrisperidone palmitate-d4) is the deuterium labeled Paliperidone palmitate (HY-A0019A). 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-d<sub>4</sub>
  • HY-14547
    Bifeprunox
    		Agonist
    Bifeprunox is a potent dopamine D2-like and 5-HT1A receptor partial agonist with pKis of 7.19 and 8.83 for cortex 5-HT1A and striatum D2, and a pEC50 of 6.37 for hippocampus 5-HT1A, respectively. Bifeprunox is an antipsychotic for the research of schizophrenia.
    Bifeprunox
  • HY-182585
    Berupipam
    		Antagonist
    Berupipam is a benzazepine-selective dopamine D1 receptor antagonist. Berupipam is used in the research of mental disorders.
    Berupipam
  • HY-A0125AS
    Alizapride-13C,d3 hydrochloride
    		Antagonist
    Alizapride-13C,d3 (hydrochloride) is deuterium labeled Alizapride (hydrochloride). Alizapride hydrochloride is a dopamine receptor antagonist with prokinetic and antiemetic effects which can also be used in the treatment of nausea and vomiting, including postoperative nausea and vomiting.
    Alizapride-<sup>13</sup>C,d<sub>3</sub> hydrochloride
  • HY-127120
    Timiperone
    		Modulator
    Timiperone has a strong affinity for cerebral dopamine D2 receptor. Timiperone has antipsychotic activity, and inhibits stereotyped behaviour. Timiperone can be used for research of schizophrenia.
    Timiperone
  • HY-B1164A
    Bromopride hydrochloride
    		Antagonist
    Bromopride hydrochloride is a selective, irreversible, competitive, and orally active dopamine D2 receptor antagonist. Bromopride hydrochloride can pass through the blood-brain barrier, inhibit the vomiting center, and enhance gastrointestinal motility, exerting antiemetic and gastrointestinal motility effects. Bromopride hydrochloride antagonizes dopamine-mediated vomiting reflexes and promotes gastrointestinal smooth muscle contraction, and has no adverse effects on abdominal wall healing in rats with postoperative abdominal infection. Bromopride hydrochloride can be used for the study of digestive system diseases (such as gastric hypomotility, nausea and vomiting).
    Bromopride hydrochloride
  • HY-106194
    SLV310
    		Antagonist
    SLV310 is an orally active dopamine D2 receptor antagonist (Ki: 5 nM) and serotonin reuptake receptor inhibitor. SLV310 antagonizes Apomorphine (HY-12723) induced climbing behaviour and 5-HTP (HY-N0122) induced serotonin syndrome like behaviour in mice (ED50: 5.6 and 5.9 mg/kg, p.o.). SLV310 is an antipsychotic compound and can be used for schizophrenia research.
    SLV310
  • HY-12707C
    Piribedil hydrochloride
    		Agonist
    Piribedil hydrochloride is a potent and orally active dopamine D2 and dopamine D3 agonist. Piribedil hydrochloride is also a α2-adrenoceptors antagonist. Piribedil hydrochloride can inhibit MLL1 methyltransferase activity (EC50: 0.18 μM). Piribedil hydrochloride has the potential for the research of parkinson's disease, circulatory disorders, cancers.
    Piribedil hydrochloride
  • HY-W329175
    N-Despropyl Ropinirole
    N-Despropyl Ropinirole (SKF-104557) is an active metabolite of the dopamine D2 receptor agonist Ropinirole (HY-B0623). N-Despropyl Ropinirole is a full agonist at human D2 and D3 receptors. N-Despropyl Ropinirole is a partial agonistof the hD4 receptor.
    N-Despropyl Ropinirole
  • HY-182504
    NRA-0562
    		Antagonist
    NRA‑0562 is a dopamine antagonist with high affinities for dopamine D1/D2/D3/D4, 5‑HT2A and α1‑adrenoceptors. NRA-0562 dose‑dependently reverses induced suppression of firing activity in rat A9 and A10 midbrain dopamine neurons, with preferential potency at A10 neurons (ED50 = 0.3 mg/kg). NRA-0562 elevates Fos-like immunoreactivity in rat nucleus accumbens and dorsolateral striatum. NRA-0562 can be used for preclinical research on schizophrenia..
    NRA-0562
  • HY-172339
    4-AcO-DALT hydrochloride
    		Inhibitor
    4-AcO-DALT hydrochloride is a tryptamine compound with psychoactive effects. 4-AcO-DALT hydrochloride inhibits 5-HT receptors, alpha receptors, dopamine receptors, histamine receptor 1 (H1), muscarinic M2 receptor and Sigma 2 receptor. 4-AcO-DALT hydrochloride shows Ki values of 582 nM, 2689 nM, 2099 nM, 2116 nM, 958 nM, 137 nM, 824 nM, 479 nM, 406 nM, 874 nM, 4190 nM, 482 nM, 214 nM, 803 nM, 4522 nM, 1907 nM for 5-HT1B, 5-HT1D, 5-HT1E, 5-HT2A, 5-HT2B, 5-HT2C, 5-HT6, 5-HT7A, H1, Sigma 2, α2A, α2B, α2C, D2, D3 receptors.
    4-AcO-DALT hydrochloride
  • HY-120076
    CP-293019
    		Antagonist
    CP-293019 is a dopamine D4 receptor antagonist, with a Ki value of 3.4 nM. CP-293019 can inhibit Apomorphine (HY-12723) induced hyperactivity in rats.
    CP-293019
  • HY-B0031S5
    Quetiapine-d4-1 fumarate
    		Antagonist
    Quetiapine-d4-1 fumarate is deuterated labeled Quetiapine (hemifumarate) (HY-B0031). Quetiapine hemifumarate is a 5-HT receptors agonist with a pEC50 of 4.77 for human 5-HT1A receptor. Quetiapine hemifumarate is a dopamine receptor antagonist with a pIC50 of 6.33 for human D2 receptor. Quetiapine hemifumarate has moderate to high affinity for the human D2, HT1A, 5-HT2A, 5-HT2C receptor with pKis of 7.25, 5.74, 7.54, 5.55. Antidepressant and anxiolytic effects.
    Quetiapine-d<sub>4</sub>-1 fumarate
  • HY-123398
    RS-51324
    		Activator
    RS-51324 is an oral active antidepressant agent. RS-51324 inhibitts norepinephrine uptake and reverses of Reserpine (HY-N0480)-induced hypothermia.
    RS-51324
  • HY-B1613
    Clebopride
    		Antagonist
    Clebopride is an orally active dopamine Receptor antagonist. Clebopride acts on dopamine D2 receptors and has antiemetic and prokinetic effects. Clebopride can be used in the study of functional gastrointestinal disorders.
    Clebopride
  • HY-118551
    Bromperidol decanoate
    		Antagonist
    Bromperidol decanoate (R46541) is a compound used for the inhibition of schizophrenia and has certain clinical inhibitory activity.
    Bromperidol decanoate
Cat. No. Product Name / Synonyms Application Reactivity
Dopamine Receptor Isoform Comparison

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