# B12 (Methylcobalamine)

> Lyophilised powder — 2500 mcg.

- **Category:** Compounds & cofactors
- **Package size:** 2500 mcg
- **CAS number:** 13422-55-4
- **Storage:** Store lyophilized at −20 °C, dry and protected from light. Follow the batch-specific label and Certificate of Analysis for validated storage and stability conditions.
- **Form:** Lyophilised powder
- **Intended use:** This product is intended exclusively for laboratory and scientific research. Not for human or veterinary use.
- **Molecular formula:** C63H91CoN13O14P
- **Molecular weight:** 1344.4 g/mol (computed, PubChem)
- **InChIKey:** ZFLASALABLFSNM-WYVZQNDMSA-L
- **PubChem CID:** 10898559 (https://pubchem.ncbi.nlm.nih.gov/compound/10898559)

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