Nystatin A1 and its Impurities

Nystatin A1 is used to treat Candida infections of the skin including diaper rash, thrush, esophageal candidiasis, and vaginal yeast infections. It is sold under the brandname Mycostatin. It is available as a generic medication. Reference standards of Nystatin A1 API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.