Gliclazide Working Standard CAS No.: 21187-98-4 Molecular Formula: C15H21N3O3S Molecular Weight: 323.42 Gliclazide Impurity - A, B, C, D, E, F, G..... Gliclazide Related Product - A, B, C, D, E, F, G..... Gliclazide-d4 CAS No. 1185039-30-8 C15H17N3O3SD4 M.W. 327.44 . Gliclazide-dmore...