Pizotifen Maleate and its Impurities

Pizotifen Maleate or pizotyline, trade name Sandomigran, is a benzocycloheptene-based drug used as a medicine. it is used to prevent migraine headaches. Reference standards of Pizotifen Maleate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.