Ascorbic Acid EP Impurity E CAT No: SZ-A079018 CAS No: 144-62-7 Mol.F. : C2H2O4 Mol.Wt. : 90.0 Inv. Status: In Stock Rel. CAS No : 856335-90-5 (hydrate) ; SZ-A079018 CAS No:144-62-7 Mol.F.: C2H2O4 Mol.Wt.: 90.0 Inv. Status: In Stock Rel. CAS No : 856335-90-5 (hydrate) ;