Pantoprazole Working Standard Formula: C16H15F2N3O4SMolar mass: 383.371 Pantoprazole Impurity - A, B, C, D, E, F, G. Pantoprazole Related Impurity - A, B, C, D, E, F, G. Pantoprazole Sulphone (Pantoprazole EP Impurity A)CAS No. 127780-16-9C16H15F2N3O5SM.W. 399.38 Pantoprazole Sulphone (Pantoprazole EP Impurity A)CAS No. 142678-35-1C16H15F2N3O4SM.W. 383.38 (S)-(-)-Pantoprazole CAS No. 102625-64-9C16H15F2N3O3SM.W. 367.38 Pantoprazole Sulfide (Pantoprazole Impurity B)CAS No. 97963-62-7C8H6F2N2OS M.W. 216.21 Pantoprazole EP Impurity C CAS No. 953787-55-8C16H15F2N3O6S M.W. 415.37 Pantoprazole Sulphone N-Oxide2 C17H17F2N3O4SM.W. 2 397.40 Pantoprazole Impurity G (Mixture of Pantoprazole EP Impurity D and F) CAS No. 142678-35-1 (non-labelled)C16H9F2N3O4SD6M.W. 389.41 (R)-Pantoprazole CAS No. 953787-60-5C16H15F2N3O5SM.W. 399.37 Pantoprazole N-Oxide C32H28F4N6O6S2 M.W. 732.74 Pantoprazole Sulfide DimerCAS No. 1189856-53-8C15H13F2N3O7S2 M.W. 449.41 O-Desmethyl Pantoprazole O-SulfateCAS No. 812664-93-0C16H14ClF2N3O4SM.W. 417.82 Pantoprazole Impurity 1 C15H13F2N3O4S M.W. 369.35