Dopamine D2 receptor agonist-2 (Dopamine D2 Receptor) is a ligand targeting the dopamine D2 receptor.

Dopamine D2 Receptor Antagonist-1 functions as a negative allosteric modulator (NAM) of the dopamine D2 receptor (D2R), demonstrating sub-millimolar affinity.

Dopamine D3 receptor agonist 13a selectively targets the dopamine D3 receptor over dopamine D1, D2, and D4 receptors, with affinities (Ki values) of 0.14, 4,600, 2.85, and 756 nM, respectively. It also interacts with serotonin (5-HT) receptor subtypes 5-HT1A, 5-HT2A, 5-HT2B, and 5-HT2C, with Ki values of 6, 54, 1.47, and 252 nM, respectively. While acting as a partial agonist at dopamine D2 receptors (EC50 = 2.26 nM in a G protein recruitment assay), it serves as an antagonist at dopamine D3 receptors (IC50 = 4.62 nM). Additionally, Dopamine D3 receptor agonist 13a, at a dose of 3 mg/kg, has been shown to reduce cocaine self-administration in rats.

Dopamine D3 receptor antagonist-1 is a dopamine D3 receptor selective or multi-targeting ligand with a Ki value of 1.58 nM that has demonstrated therapeutic potential for central nervous system disorders.

Dopamine D4 receptor antagonist-1 can be used in schizophrenia study. Dopamine D4 receptor antagonist-1 is a selective antagonist of Dopamine D4 receptor (DRD4). The Ki value of Dopamine D4 receptor antagonist-1 for Hd4.2 is 9.0 nM [1].

Dopamine D3 receptor antagonist-2 is a dopamine D3 receptor selective (Ki=2.16 nM) or multi-targeting dual ligand that shows potential effects in CNS disorders.

Dopamine D 3 receptor ligand is a potent, selective, high-affinity dopamine D3 receptor ligand that is 89 times more selective for D3 (Ki: 8 nM) than D2 (Ki: 715 nM).

Ritanserin (R 55667) is a highly effective, relatively selective, long-acting antagonist of 5-HT2 receptor (IC50: 0.9 nM), less active on Histamine H1, Dopamine D2, Adrenergic α1, Adrenergic α2 receptors.

Clozapine N-oxide is the major metabolite of Clozapine and is blood-brain barrier permeable. Clozapine N-oxide is an agonist of DREADDs and activates the DREADD receptors hM3Dq and hM4Di. Clozapine N-oxide is also a dopamine antagonist and selective muscarinic M4 receptor agonist.

MPTP hydrochloride is a precursor of MPP+, a dopamine neurotoxin with blood-brain barrier permeability. MPTP hydrochloride is toxic to dopaminergic neurons, which can lead to Parkinson's disease, and is widely used in the construction of animal models of Parkinson's disease.

Dopamine hydrochloride (ASL279) is a naturally occurring catecholamine formed by decarboxylation of dihydroxyphenylalanine and a precursor of norepinephrine and epinephrine. Dopamine hydrochloride binds to alpha-1- and beta-1- adrenergic receptors.

Ziprasidone hydrochloride monohydrate (CP 88059) is a united 5-HT (serotonin) and dopamine receptor antagonist which shows potent effects of the antipsychotic activity.

BL-1020 Mesylate (CYP-1020 Mesylate) is an orally available GABA A receptor agonist and D2 antagonist that decreases dopamine activity and enhances GABAA activity.BL-1020 Mesylate has been used in the study of schizophrenia, Alzheimer's disease, and bi-directional cognitive impairment.

SKF 38393 hydrochloride (SKF38393 HCl) is a selective dopamine D1/D5 receptor agonist.

A 77636 hydrochloride is a potent, orally active, selective and long acting dopamine D1 receptor agonist (pKi=7.40; Ki=39.8 nM). A 77636 hydrochloride shows antiparkinsonian activity. A 77636 hydrochloride is functionally inactive at dopamine D2 receptor.

Aripiprazole (OPC-14597) is an antipsychotic agent that is structurally related to piperazines and quinolones. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOPAMINE D2 RECEPTORS, where it also functions as a post-synaptic antagonist, and an antagonist of SEROTONIN RECEPTOR, 5-HT2A.

Pridopidine (FR310826), a dopamine (DA) stabilizer, acts as a low affinity dopamine D2 receptor (D2R) antagonist, improves motor performance and shows neuroprotective effects in Huntington disease R6/2 mouse model.

dopamine D1 receptor antagonist

Perphenazine (Trilafon) is a phenothiazine derivative and a dopamine antagonist with antiemetic and antipsychotic properties.

PF-00217830 is a serotonin 1A receptor agonist, dopamine D2 receptor agonist, and serotonin 2A receptor antagonist.PF-00217830 may be used in the study of schizophrenia.

carfenazine targets the Dopamine receptor and is used for schizophrenia research.

L-745870 trihydrochloride is a highly potent and selective D4 dopamine receptor antagonist.

SLV-310 is a potent dopamine D2 receptor antagonist and 5-HT reuptake receptor inhibitor used in the study of neurological disorders such as bipolar disorder and schizophrenia.

PNU-177864 hydrochloride is a potent, selective and orally active antagonist of dopamine D3 receptor. PNU-177864 hydrochloride is structurally consistent with a cationic amphiphilic drug (CAD). PNU-177864 hydrochloride induces phospholipidosis in vivo. PNU-177864 hydrochloride exhibits antischizophrenic activity.

Neuromedin N acetate(92169-45-4 free base) is a neuropeptide derived from the same precursor polypeptide as neurotensin, and with similar but subtly distinct expression and effects.Neuromedin N is a potent modulator of dopamine D2 receptor agonist binding in rat neostriatal membranes.

Rotigotine (1-Naphthalenol, 5,6,7,8-tetrahydro-6-[propyl[2-(2-thienyl)ethyl]amino]-) is an antiparkinson agent and dopamine receptor agonist.

Lensiprazine (SLV314) is a potent dopamine D(2) receptor antagonist that acts as a serotonin reuptake inhibitor , and can be used to study bipolar disorder and schizophrenia.

BP 897 (2-Naphthalenecarboxamide, N-[4-[4-(2-methoxyphenyl)-1-piperazinyl]butyl]-) is a potent and selective dopamine D3 receptor agonist, and a weak dopamine D2 receptor antagonist, with Kis of 0.92 nM and 61 nM for D3 and D2 receptors, and shows low affinities at D1 and D4 receptors (Kis, 3 and 0.3 μM, respectively).

Abaperidone is a potent 5-HT2A receptor and dopamine D2 receptor antagonist with an IC50 of 6.2 for 5-HT2A receptors and 17 nM for dopamine D2 receptors.Abaperidone is a potentially atypical anti-psychotropic compound that reduces basal hsp70 mRNA expression in rat striatum and prefrontal cortex. expression in the striatum and prefrontal cortex of rats.

Tolnapersine TFA is a mixed dopamine agonist and alpha adrenergic receptor antagonist.

Aplindore Fumarate (DAB-452) is a small molecule dopamine D2 receptor partial agonist.Aplindore Fumarate exhibits high affinity for dopamine D2 and D3 receptors, and low affinity for dopamine D4, 5-hydroxytryptophan (5-HT2), and α1-adrenergic receptors.Aplindore Fumarate is used in the study of Parkinson's disease and schizophrenia. Fumarate can be used to study Parkinson's and schizophrenia.

SB-277011 (SB-277011A) is a specific antagonist of the dopamine D3 receptor with pKi values of 8.0, 6.0, 5.0, and <5.2 for D3 receptor, D2 receptor, 5-HT1D, and 5-HT1B respectively.

SK609 HCl (SK609 hydrochloride) is a dopamine D3 receptor (D3R) selective agonist that inhibits norepinephrine transporter proteins and can be used to study Parkinson's disease and cognitive disorders.

JNJ-37822681 is a novel, highly selective dopamine D₂ receptor antagonist characterized by a rapid dissociation rate from the dopamine D₂ receptor.

Tiospirone (BMY 13859-1 free base) is a 5-HT2 receptor antagonist and dopamine blocker that inhibits D2, 5-HT1a, 5-HT7, and sigma receptors.Tiospirone is used in the study of neurological disorders such as schizophrenia.

6-Chloromelatonin is a potent melatonin receptor agonist, a 5-methoxyindole compound that competes for the same presynaptic melatonin receptor sites in the rabbit retina and inhibits the calcium-dependent release of [3H]dopamine with a higher metabolic stability than melatonin. Chloromelatonin competes for [3H]melatonin binding to MT2 receptors (pKi=9.77) and may be used to study insomnia and sleep disorders associated with depression.

Ecopipam (UNII-0X748O646K) is a potent, selective and orally active antagonist of dopamine D1/D5 receptor, with Kis of 1.2 nM and 2.0 nM, respectively. Ecopipam shows more than 40-flod selectivity over D2, D4, 5-HT, and α2a receptor (Ki=0.98, 5.52, 0.08, and 0.73 μM, respectively). Ecopipam can be used for the research of schizophrenia and obesity.

BP14979 is a dopamine D3 receptor agonist that can be used to study neurological disorders.

2-(4-TRIFLUOROMETHYL-PHENYL)-ETHYLAMINE is a monoamine neurotransmitter. It has been studied for its potential to modulate the activity of various neurotransmitters, including serotonin, dopamine, and norepinephrine. Its potential as a 5-HT2A receptor agonist has also been studied.

Brexpiprazole HCl (OPC 34712 dihydrochloride) is a new antipsychotic drug.

Fallypride is a potent and selective dopamine D2/D3 receptor antagonist.

Compound PDK0269, as 5-HT3 receptor agonists(3–100 μM, pEC50 5.05±0.06), acutely increased XII (hypoglossal) burst frequency and regularity, and decreased bursts/episode . Phenylbiguanide produced a dose-related (10-500 microM) increase in the release of dopamine (280-2000%). When nomifensine (5 microM) was included in the Ringer solution, the effect of Compound PDK0269 on the release of dopamine was ameliorated or inhibited.

Eplivanserin (SR-46349) is an effective and selective antagonist of 5-HT2A receptor with a Kd of 1.14 nM and an IC50 value of 5.8 nM in rat cortical membrane.

3-phenoxy-8-azabicyclo[3.2.1]octane hydrochloride is a synthetic compound belonging to the class of azabicyclooctanes. It is a potent and selective agonist of the dopamine D2 receptor and is widely used to study the mechanisms of dopamine signaling and its role in various physiological and pathological processes.

Piperidine-MO-1 is a dopamine receptor modulator, with an ED50 of 68 μmol/kg on increase of DOPAC in the rat striatum.

Ordopidine (ACR325) is a dopaminergic stabilizer that suppresses psychostimulant-induced hyperactivity disorder and stimulates behavior during inactivity. Ordopidine acts as a dopamine D2 receptor antagonist in vitro and, despite its low affinity, its specific state-dependent behavioral effect characteristics are not generally shared by D2 receptor antagonists.

Trazpiroben (TAK-906) is a selective dopamine D2/D3 receptor antagonist used in the study of gastroparesis.

Sigma-LIGAND-1 is a selective Sigma Receptor ligand with an IC50s of 16 nM, 19 nM at the DTG site and the PPP site, respectively. Sigma-LIGAND-1 has a Ki of 4000 nM at the dopamine D2 receptor.

Perphenazine dihydrochloride is an orally active and potent dopamine receptor and histamine-1 receptor antagonist that inhibits D2, D3, and 5-HT2A.Perphenazine dihydrochloride inhibits the proliferation of cancer cells and induces apoptosis, and has been used in studies of schizophrenia and endometrial cancer.

PD 168568 dihydrochloride (PD 168568 (dihydrochloride)) is an orally active and selective antagonist of D4 dopamine receptor(Ki of 8.8 nM).