Vitamin B12
Vitamin B12 (cobalamin) is an essential cofactor for methionine synthase and methylmalonyl-CoA mutase. It is used in research on one-carbon metabolism, DNA synthesis and myelin formation.
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Technical data
| Catalog number | ML-1022 |
|---|---|
| Compound | Vitamin B12 · Cyanocobalamin |
| CAS number | 68-19-9 |
| PubChem CID | 16212801 |
| Molecular formula | C₆₃H₈₈CoN₁₄O₁₄P |
| Molecular weight | 1,355.39 g/mol |
| Format | Lyophilized powder |
| Presentations | 10 mg |
| Purity | Reported on the batch certificate of analysis (RP-HPLC) |
| Identity | Reported on the batch certificate of analysis (mass spectrometry) |
| Research area | Metabolic |
| Country of origin | Switzerland |
Molecular weight is calculated from the molecular formula using standard atomic weights. Batch-specific values, including purity and net peptide content, are stated on the certificate of analysis supplied with each batch.
Documentation
- Certificate of analysisIssued per batch. Locate it with the batch number printed on the vial label.Find by batch number
- Safety data sheetAvailable to account holders and on request through technical support.Request SDS
- Batch recordManufacturing date, declared content and storage conditions for each batch.Documentation center
Storage and handling
- Storage
- Store lyophilized at −20 °C, desiccated and protected from light. Allow the vial to reach room temperature before opening.
- Handling
- For use by qualified personnel in a laboratory setting. Use appropriate personal protective equipment and follow your institution's procedures. See the laboratory guides for general handling of lyophilized materials.
- Intended use
- For laboratory research use only. Not for human or veterinary use, not for diagnostic or therapeutic procedures. Research use only policy.
Calculators
The molecular weight of Vitamin B12 (1355.39 g/mol) has been entered for you. Calculations are provided for solution preparation in the laboratory.
Molarity
mass = concentration × volume × MW
Dilution
C₁ × V₁ = C₂ × V₂
Reconstitution
concentration = mass in vial ÷ diluent volume
- Stock concentration
- — mg/mL
- Equivalent
- — µg/mL
- Molar concentration
- — mM