AMPHOTERICIN B Grade:USP GRADE CAS Number: 1397-89-3Synonym(s): None Molecular Weight: 924.10Molecular Formula: C47H73NO17 Storage Condition: FROZEN CodeSizePriceQuantity 0414-250MG 0414-500MG 0414-1G An antifungal polyene believed to act by altering membrane permeability. A working concentration of 2.5 µg/ml in DMSO is recommended.