Research Reference Data
| Compound | Methylcobalamin (Vitamin B12) |
|---|---|
| CAS Number | 13422-55-4 |
| Molecular Formula | C63H91CoN13O14P |
| Molar Mass | 1344.38 g/mol |
| Sequence / Structure | Cobalamin (corrin-cobalt) with upper axial methyl ligand |
| Purity | Confirmed per batch — see Certificate of Analysis |
| Physical Form | Crystalline powder (light-sensitive) |
| Storage | Store lyophilized powder at -20°C, protected from light. After reconstitution, store at 2–8°C and use within the validated stability window. |
For laboratory research use only. Not for human or veterinary use, food, or drug applications. Chemical identifiers describe the reference compound; exact mass, content, and purity are confirmed per batch by third-party Certificate of Analysis. [FOR LEGAL REVIEW]
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