Perampanel Hydrate and its Impurities

Perampanel Hydrate, sold under the brand name Fycompa, is an anti-epileptic medication developed by Eisai Co. that is used in addition to other drugs to treat partial seizures and generalized tonic-clonic seizures for people older than twelve years. Reference standards of Perampanel Hydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.