bilirubin and its Impurities

Bilirubin is a yellow compound that occurs in the normal catabolic pathway that breaks down heme in vertebrates. A bilirubin test is used to detect an increased level in the blood. It may be used to help determine the cause of jaundice and/or help diagnose conditions such as liver disease. Reference standards of Bilirubin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below