bismuth subgallate and its Impurities

In the United States, it is the active ingredient in Devrom an over-the-counter FDA-approved medicine. Bismuth subgallate, with a chemical formula C7H5BiO6, commonly used to treat malodor by deodorizing flatulence and stools. Reference standards of Bismuth Subgallate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below