Auranofin and its Impurities

Auranofin, marketed under the brand name Ridaura, is an orally administered gold salt belonging to the class of disease-modifying antirheumatic drugs. it may improve arthritis symptoms like pain, swelling, and morning stiffness. Reference standards of Auranofin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.