aprotinin and its Impurities

Aprotinin is used as a medication administered. It is a small protein bovine pancreatic trypsin inhibitor, or basic trypsin inhibitor of bovine pancreas, which is an antifibrinolytic molecule that inhibits trypsin and related proteolytic enzymes. Reference standards of Aprotinin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.