Lansoprazole N-oxide CAS No. : 213476-12-1Molecular Formula: C16H14F3N3O3SMolecular Weight : 385.36Chemical Name : [[(1H-benzimidazole-2-yl)sulfinyl]methyl]-3-methyl-4- (2,2,2-trifluoroethoxy)-pyridine 1-oxide.