antazoline phosphate and its Impurities

Antazoline Phosphate acts as a histamine H1 receptor blocker, functioning as an antihistamine pharmaceutical.An antihistamine withanticholinergic properties. it is used to relieve nasal congestion and in eye drops. Reference standards of Antazoline Phosphate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.