betamethasone and its Impurities

Betamethasone is a corticosteroid that is available as pill, by injection, and as a cream. It is a steroid medication.It is used as a topical cream to relieve skin irritation, such as itching and flaking from eczema.. Reference standards of Betamethasone API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below