fenbendazole and its Impurities
Fenbendazole is used against a number of gastrointestinal parasites including giardia, roundworms, hookworms, whipworms, the Taenia genus of tapeworms, pinworms, aelurostrongylus, paragonimiasis, strongyles, and Strongyloides. It is a benzimidazole that presents a wide spectrum anthelmintic effect.. Reference standards of Fenbendazole API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below