» Nystatin Topical Powder is a dry powder composed of Nystatin and Talc. It contains not less than 90.0 percent and not more than 130.0 percent of the labeled amount of USP Nystatin Units.
Packaging and storage
Preserve in well-closed containers.
Loss on drying 731
Dry about 100 mg, accurately weighed, in a capillary-stoppered bottle in vacuum at a pressure not exceeding 5 mm of mercury at 60 for 3 hours: it loses not more than 2.0% of its weight.