B12

B12 (methylcobalamin) is one of the two active coenzyme forms of vitamin B12, supplied as a research solution for laboratory study of one-carbon metabolism. B12 is supplied for qualified in-vitro laboratory research and analytical use only.

Compound profile

• Compound: Methylcobalamin (a coenzyme form of vitamin B12)
• Molecular weight: ≈ 1344.4 g/mol
• CAS number: 13422-55-4
• Form: See product label
• Testing: Third-party HPLC purity and identity, batch-matched COA

Research context

Methylcobalamin is the cofactor for methionine synthase, which remethylates homocysteine to methionine and links folate and methionine cycles. It is studied in one-carbon metabolism, homocysteine-remethylation, SAM-dependent methylation and myelination-related research models.

Storage and handling

Store as stated on the product label, protected from light and heat. Unless the label says otherwise, keep refrigerated at 2–8 °C after opening, and follow your laboratory’s own handling and stability procedures.

Quality and documentation

Every lot is third-party tested, and the Certificate of Analysis is matched to the exact batch you receive — look it up any time on the COA page. Browse more Metabolic Pathway Research, or see related compounds: Lipo-C W/ B12 10MG, L-Carnitine 5000MG.

Research Use Only Notice: Not for human consumption, not for veterinary use, not for clinical or diagnostic use, and not intended as a drug, food, dietary supplement, cosmetic, or household product. Purchaser is responsible for confirming lawful use, handling requirements, and regulatory status before purchase or use.