Cofactor
B12 (Methylcobalamin) — Research Peptide
Methylcobalamin B12 supplied as a 10 mL research solution.
- CAS
- 13422-55-4
- Purity (HPLC)
- 99.0%
- Molecular Weight
- 1344.4 g/mol
- Sequence
- Methylcobalamin (10 mL × 1 mg/mL)
UK-Sourced · Batch Certificate of Analysis
Dispatched from the UK. A batch-specific CoA (HPLC purity 99.0% + mass-spec identity) is available on request for every lot of B12 (Methylcobalamin).
Subtotal
£14.00
Research Applications
B12 (Methylcobalamin) is supplied for the following categories of in-vitro laboratory research only. It is not supplied, intended or licensed for human or veterinary use.
- Reconstitution solvent compatibility studies
- Lyophilised peptide reconstitution and stability research
- Sterile-handling protocol validation
- Carrier-fluid pH and osmolarity testing
Storage & Handling
Store unopened lyophilised vials at −20 °C, protected from light. Reconstitute with bacteriostatic water and store at 2–8 °C. Handle in a sterile environment with appropriate PPE.
Quality & Compliance
99.0% HPLC purity, MS identity confirmed. Every batch ships with a Certificate of Analysis on request. UK-based supplier, UK tracked dispatch.
B12 (Methylcobalamin) — Frequently Asked Questions
Is B12 (Methylcobalamin) legal to buy in the UK?+
Yes. B12 (Methylcobalamin) is supplied as a research peptide for in-vitro laboratory use only and is not a controlled substance under the Misuse of Drugs Act 1971. It is legal to purchase, possess and store in the UK for research. It is not supplied for human use.
Is a Certificate of Analysis (CoA) provided for B12 (Methylcobalamin)?+
Yes. A batch-specific Certificate of Analysis covering HPLC purity (99.0%) and mass-spectrometry identity confirmation is available on request for every lot of B12 (Methylcobalamin) we dispatch.
How is B12 (Methylcobalamin) shipped and stored?+
B12 (Methylcobalamin) is shipped lyophilised at ambient temperature from the UK. On arrival, store the unopened vial at −20 °C protected from light. Once reconstituted with bacteriostatic water, store at 2–8 °C and use within the stability window for the peptide class.
How long does UK delivery take?+
Orders confirmed before 2pm are dispatched same working day via UK tracked courier. Standard delivery is 1–2 working days. Free UK tracked shipping on orders over £200.
What purity is B12 (Methylcobalamin) supplied at?+
B12 (Methylcobalamin) is supplied at 99.0% purity by HPLC, with identity confirmed by mass spectrometry. The molecular weight is 1344.4 g/mol.