Rabeprazole Sodium STAGE - I Catalogue No. - VL970002 CAS No. - 117976-90-6 Molecular Formula - C18H20N3NaO3S Molecular Weight - 381.4 IUPAC Name - 2-[[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole, Sodium Salt Synonyms - Rabeprazole Sodium Salt