metronidazole benzoate and its Impurities

A benzoate ester of Metronidazole, which is a nitroimidazole class of drug and an antibiotic and antiprotozoal medication. It works by inhibiting the nucleic acid synthesis by disrupting the DNA of microbial cells. Metronidazole is used in the treatment of pelvic inflammatory disease, endocarditis, and bacterial vaginosis. Reference standards of Metronidazole Benzoate API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.