ZnAF-2 diacetate 1MG. ZnAF-2 diacetate, CAS number: 357339-96-9, MF: C38H32N4O7, Molecular Weight: 656. 68, Purity: greater than or equal to 90% by HPCE, Appearance: Crystalline solid, Synonym: 6-{2-[Bis(2-pyridylmethyl)amino]ethylamino}fluorescein diacetate ZnAF-2 DA, Size: 1MG