(S)-SCH-23390 hydrochloride from MedChemExpress

(S)-SCH-23390 hydrochloride is the S-enantiomer of SCH-23390 (HY-19545). SCH-23390 is a dopamine D1-like receptor antagonist (with Ki values of 0.2 nM and 0.3 nM for the D1 and D5 receptor subtypes, respectively)[1]