Cellular & Mitochondrial
Methyl B12 — molecular reference
Methylcobalamin is the biologically active coenzyme form of vitamin B12 and serves as the cofactor for methionine synthase. It is used in cell-culture and biochemical assays examining one-carbon metabolism, homocysteine remethylation, and folate-cycle intermediates. Light-sensitive; protect from light. Research use only.
Molecular data
- Compound name
- Methylcobalamin (Vitamin B12 Coenzyme Form)
- Research classification
- Cofactor
- Molecular formula
- C63H91CoN13O14P
- Average molecular mass
- 1344 g/mol(calculated from molecular formula)
- Research pathway
- Cellular & Mitochondrial
- Physical form
- Solution
- Storage & handling
- Store at 2–8°C, protected from light.
- Available presentations
- 10mg
- Current status
- Backordered
Fields with no verifiable source are omitted rather than estimated. Where an average mass is marked as calculated, it is derived arithmetically from the molecular formula using IUPAC standard atomic weights, not measured.
Documented assay contexts
Contexts in which this compound is used as a reference material in published in-vitro work. These describe laboratory usage, not effects in any organism.
- One-carbon and methionine-cycle metabolism
- Methylmalonyl-CoA mutase cofactor studies
- Homocysteine remethylation assays