Azamulin and its Impurities

In pharmacological studies, the substance is used as an inhibitor of the liver enzymes CYP3A4 and CYP3A5.[2][3]Azamulin is a pleuromutilin antibiotic.[1] As of 2016, it is not marketed in the US or Europe. Reference standards of Azamulin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.