Promethazine (hydrochloride) (Standard) is the analytical standard of Promethazine (hydrochloride). This product is intended for research and analytical applications. Promethazine hydrochloride is an orally active phenothiazine derivative with antihistaminic (H1), sedative, antiemetic, anticholinergic, and antimotion sickness properties. Promethazine hydrochloride is a potent H1 receptor antagonist and a mAChR antagonist. It also has a certain affinity for 5-HT2A and 5-HT2C receptors[1][2].
