The chemical Yohimbine hydrochloride has a designated molecular formula of C21H27ClN2O3 and a molecular weight of 390.908 g/mol. Synonyms may include: AI3-60247, Antagonil, Aphrodine hydrochloride, EINECS 200-600-4, NSC 19509, Yohimbin hydrochloride [USP], Yohimbine monohydrochloride, Yohimbe, Yohimbin HCl, Yohimbin hydrochloride, UNII-NB2E1YP49F (ChemID). Yohimbine hydrochloride has been assigned a MeSH pharmacological action of: Adrenergic alpha-2 Receptor Antagonist.