5-CFDA 100MG. 5-CFDA, A vital stain, CAS Number: 79955-27-4, Molecular Formula: C25H16O9, Molecular Weight: 460. 39, Purity: greater than or equal to 95% by HPLC, Appearance: Off-white solid, Storage: Conditions -20 deg C, Synonym: 5-Carboxyfluorescein diacetate, Size: 100MG