promethazine hydrochloride and its Impurities
A hydrochloride salt of Promethazine which is a phenothiazine derivative and it is a first-generation antihistamine drug. It shows antiemetic and anticholinergic properties . Promethazine is used in treating motion sickness and has strong sedative effects.Reference standards of Promethazine Hydrochloride API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
