SynonymsVitamin B12-Sulfonic Acid; 3'-ester with 5,6-dimethyl-1-a-D-ribofuranosylbenzimidazole; 3'-ester with 5,6-dimethyl-1-a-D-ribofuranosylbenzimidazole; Close Vitamin B12-Sulfonic Acid; 3'-ester with 5,6-dimethyl-1-a-D-ribofuranosylbenzimidazole; 3'-ester with 5,6-dimethyl-1-a-D-ribofuranosylbenzimidazole; Related products Sulphitocobalamin M.F. M.W. 1329.38 81.07 CAT# AR-V01572 CAS# 15671-27-9 Methylcobalamin M.F. M.W. 1344.41 CAT# AR-V06021 CAS# 13422-55-4