CAS Registry Number
CAS 13422-55-4 — Methylcobalamin
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CAS No.13422-55-4
FormulaC63H91CoN13O14P
Mol. weight1,344.40
Also known as: Mecobalamin · Methylcobalamin, United States Pharmacopeia (USP) Reference Standard
IUPAC: carbanide;cobalt(3+);[(2R,3S,4R,5S)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] 1-[3-[(1R,2R,3R,5Z,7S,10Z,12S,13S,15Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2,7,12,17-tetrahydro-1H-corrin-24-id-3-yl]propanoylamino]propan-2-yl phosphate
Available grades of CAS 13422-55-4
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