Flurbiprofen Sodium Dihydrate and its Impurities

Flurbiprofen Sodium (trade name Ansaid, Ocufen, Strepfen) is a member of the phenylalkanoic acid derivative family of nonsteroidal anti-inflammatory drugs. Reference standards of Flurbiprofen Sodium Dihydrate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.