| Nystatin is a mixture of the byproducts of Streptomyces noursei. Nystatin belongs to the group of medicines called antifungals. Nystatin works by binding to a substance called ergosterol, which is a component of fungal cell membranes. Binding to ergosterol disrupts the cell membrane and causes holes to appear. Synonyms: Nystatin A1, Mycostatin, Fungicidin CAS No: 1400-61-9 Molecular Formula: C47H75NO17 Molecular Weight: 962.1 Appearance: Off-white to yellowish powder Activity: 4400u/mg Melting Point: >160C Loss on Drying: 5% pH (3%): 6-8 Residual Solvents: Methanol: 3% Acetone: 5% Suspendibility, Crystallinity, Identification and Composition: To pass test Storage and Stability: Lyophilized product is stable for 12 months after receipt at -20C. Reconstitute with DMSO. Aliquot to avoid repeated freezing and thawing. Store at -20C. Stable for 1 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. |
