sultamicillin and its Impurities

A tosylate salt of the double ester of sulbactam plus ampicillin (codrugs) with antibacterial activity. The pharmacokinetic properties of sultamicillin are improved compared to a combination of ampicillin and sulbactam. Reference standards of Sultamicillin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.