Rabeprazole Related compound A Catalogue No. - VL970011 CAS No. - 1163685-30-0 (free acid) Molecular Formula - C14H10N3NaO3 Molecular Weight - 291.2 IUPAC Name: - sodium 1-(1H-benzo[d]imidazol-2-yl)-3-methyl-4-oxo-1,4-dihydropyridine-2-carboxylate Synonyms - Rabeprazole EP Impurity C