Pitolisant Hydrochloride and its Impurities

Pitolisant Hydrochloride, sold under the brand name Wakix. It is an antagonist and inverse agonist at the histamine H3 receptor that is used to treat narcolepsy in adults. Reference standards of Pitolisant Hydrochloride API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.