Mosapramine (Clospipramine) is an orally active and potent dopamine receptor antagonist with high affinity to dopamine receptor subtypes 2, 3 and 4, and with moderate affinity for the 5-HT2 receptor. Mosapramine shows antipsychotic activity and can be used in schizophrenia research.

(Rac)-PF-06256142 is the less effective enantiomer of PF-06256142. (Rac)-PF-06256142 is an agonist of D1 receptor, with an EC50 of 107 nM. (Rac)-PF-06256142 can be used for the research of schizophrenia and Parkinson's disease.

Ecopipam (SCH 39166) 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, cocaine addition, and obesity.

Ecopipam (SCH 39166) hydrochloride 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 hydrochloride 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 hydrochloride can be used for the research of schizophrenia, cocaine addition, and obesity.

Razpipadon ((-)-PW0464), an aromatic compound, is a dopamine receptor partial agonist. Razpipadon can be used in the study of dopamine D1 ligand-mediated related psychiatric disorders.

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.

Loxapine hydrochloride is an orally active dopamine inhibitor, 5-HT receptor antagonist and also a dibenzoxazepine anti-psychotic agent.

Flupentixol is a high potency thioxanthene with D1 and D2 dopamine receptor antagonism. Flupentixol is used in therapy of schizophrenia as well as in anxiolytic and depressive disorders.

Acetophenazine, a phenothiazine derivative, is an antipsychotic agent. Acetophenazine primarily blocks dopamine D2 receptors in the brain. Acetophenazine can be used for researching psychotic disorders such as schizophrenia and anxious depression.

UNC9994 hydrochloride is a functionally selective, β-arrestin–biased dopamine D2 receptor (D2R) agonist that selectively activates β-arrestin recruitment and signaling. UNC9994 hydrochloride shows a binding affinity with a Ki of 79 nM for D2R. UNC9994 hydrochloride is also an antagonist of Gi-regulated cAMP production and partial agonist for D2R/β-arrestin-2 interactions. UNC9994 hydrochloride shows antipsychotic-like activity.

Pardoprunox hydrochloride is a novel partial dopamine D2 and D3 receptor agonist and serotonin 5-HT1A receptor agonist, D2 (pKi = 8.1) and D3 receptor (pKi = 8.6) partial agonist and 5-HT1A receptor (pKi = 8.5) full agonist.

SKF 38393 is a partial agonist of the dopamine D1-like receptors D1 and D5 (Kis = 1 and ~0.5 nM, respectively).

Cariprazine (RGH-188) is a novel putative antipsychotic drug that exerts partial agonism at dopamine D2/D3 receptors, with preferential binding to D3 receptors, and partial agonism at serotonin 5-HT1A receptors.

WW-III-55 is a high-affinity, selective dopamine D3 receptor (D3R) partial agonist with Ki value of 20 nM, exhibits >800-fold binding selectivity for D3R compared with the D2R.WW-III-55 (0-5.6 mg/kg) reduced cocaine self-administration, also reduced responding for sucrose and locomotor activity.WW-III-55 attenuated yawning induced by low doses of 7-OH-DPAT (a D3R-mediated behavior).WW-III-55 (10 mg/kg) inhibited the head twitch response (HTR) by 95% in DBA/2J mice.

PF-06669571 (PF 6669571) is a novel dopamine D1 receptor (D1R) partial agonist with Ki of 10 nM, demonstrates efficacy in pre-clinical models of Parkinson’s disease symptoms.

CJ-1639 (CJ1639) is a potent, highly selective dopamine D3 receptor (D3R) full agonist with Ki of 0.5 nM, >5,000-fold selectivity over D1 and D2 receptors in binding assays.CJ-1639 binds to human D3 receptor with a K(i) value of 3.61 nM and displays over >1000-fold selectivity over human D1 and D2 receptors.CJ-1639 is an excellent pharmacological tool to elucidate the role of the D3 receptor in different neurological conditions in animal models.

(–)-IHCH7041 is a potent, selective partial agonist at DRD2/3 and 5-HT1AR, EC50 of 1.38 nM in Gαi1–γ9 dissociation and 2.75 nM in β-arrestin2 recruitment assays, with negligible 5-HT2AR binding (>100-fold selectivity).(–)-IHCH7041 exhibits negligible affinities for a large number of tested GPCRs, ion channels and transporters (Ki>500 nM), good affinities for DRD2 and DRD3 (Ki=14.42 nM), and moderate binding to 5-HT1A (Ki=60.62 nM).(–)-IHCH7041 behaves as a partial agonist in both G-protein signaling and β-arrestin recruitment activities at DRD2, DRD3 and 5-HT1AR.(–)-IHCH7041 displayed potent antipsychotic activity and has antidepressant properties and reverses cognitive impairmentin mice.

GSK598809 (GSK-598809) is a potent, selective, CNS penetrant and orally bioavailable dopamine D3 receptor antagonist with pKi of 8.9.

GSK598809 hydrochloride is a potent, selective, CNS penetrant and orally bioavailable dopamine D3 receptor antagonist with pKi of 8.9.

Dopamine D3 receptor ligand is a potent, selective and high affinity ligand for Dopamine D3 receptor with 89-fold selective for D3 over D2 (D3 Ki= 8 nM, D2 Ki= 715 nM).

Ropinirole (SKF 101468) is an orally active, potent D3/D2 receptor agonist with a Ki of 29 nM for D2 receptor. Ropinirole has pEC50s of 7.4, 8.4 and 6.8 for hD2, hD3 and hD4 receptors, respectively. Ropinirole has no affinity for the D1 receptors. Ropinirole has the potential for Parkinson's disease.

Nemonapride is a highly potent dopamine D2 receptor antagonist with a Ki of 0.06 nM. Nemonapride also activates 5-HT1A receptor with an IC50 of 34 nM. Nemonapride is an antipsychotic that readily passes through the blood brain barrier and exhibits potent neuroleptic effects in animals.

PG01037 (dihydrochloride) is a potent and selective dopamine D3 receptor antagonist with a Ki of 0.7 nM.

LE 300 is a potent and selective dopamine D1-like receptor antagonist with Kis of 1.9 nM and 7.5 nM in CHO cell membranes expressing human dopamine D1 and D5 receptors, respectively. LE 300 is an antagonist of the 5-HT2A receptor with a pA2 of 8.32 in a rat tail artery assay.

(R)-Preclamol is a dopamine (DA) agonist with autoreceptor as well as postsynaptic receptor stimulatory properties. (R)-Preclamol inhibits the locomotor activity of mice and rats in low doses.

SKF38393 HCl is a selective dopamine D1/D5 receptor agonist.

Brexpiprazole is a novel D2 dopamine partial agonist.

Raclopride is a selective dopamine D2/D3 receptor antagonist that discriminates between dopamine-mediated motor functions. Raclopride binds to D2 and D3 receptors with dissociation constants of between 1.8 nM and 3.5 nM, but has a very low affinity for D4 receptors.

Molindone ((±)-Molindone), an indole derivative, is a potent dopamine D2 and D5 receptor antagonist. Molindone ((±)-Molindone) can be used for the research of schizophrenia and severe mental illness.

Sibenadet hydrochloride (AR-C68397AA) is a dual D2 dopamine receptor, beta2-adrenoceptor agonist with bronchodilator activity. Investigation in animal models of key chronic obstructive pulmonary disease (COPD) symptoms has demonstrated that Sibenadet hydrochloride effectively inhibits sensory nerve activity, thereby reducing reflex cough, mucus production and tachypnoea.