Research Use Only
B12
CAS # 13422-55-4
Methylcobalamin
Storage
2–8°C
Purity
≥99%
Testing
HPLC + MS
Fulfillment
Same-day
Research Use Only
All products are intended solely for laboratory research and are not for human or animal consumption. By purchasing, the buyer agrees to use these products in compliance with all applicable laws.
Purity, ID, QuantityEndotoxin
Certificate of Analysis
Third-party tested for ≥99% purity, ID, and quantity. Certificates are issued per lot.
COA available per batch on request
B12 Overview
Methylcobalamin B12 research reference standard. Supplied as a research-grade cofactor for in-vitro enzymatic research and structural characterization. Not for use in any living organism.
Specifications
- CAS Number
- 13422-55-4
- Molecular Formula
- C₆₃H₉₁CoN₁₃O₁₄P
- Molecular Weight
- 1344.38 g/mol
- Purity
- ≥99%
Also known as: Methylcobalamin, Methyl B12, MeCbl, Cobamamide
Commonly purchased together
Researchers also addedQuestions & answers
Reviews
5
4
3
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1
4.6
★★★★★(10)
MVerified
Maria G.
★★★★★Jun 6, 2026
Happy with it
Will be ordering again.
PVerified
Priya S.
★★★★★Jun 3, 2026
Recommend
Solid supplier, would recommend.
I
Ian K.
★★★★★May 13, 2026
Trustworthy
Transparent COAs make this easy to trust.
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