bismuth subsalicylate and its Impurities

Bismuth Subsalicylate used to treat temporary discomforts of the stomach and gastrointestinal tract, such as diarrhea, indigestion, heartburn and nausea. It is sold as generic and under the brand name Pepto-Bismol. Reference standards of Bismuth Subsalicylate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.