Pharma & Specialty Chemical Standards

Cyanocobalamine, IUPAC name *cyanocobalamin*, is a cobalt-containing corrinoid with molecular formula C₆₃H₈₈CoN₁₄O₁₄P (molecular weight: 1260.42 g/mol). Structurally, it features a corrin ring system with a cyanide ligand and a 5-deoxyadenosyl group. Therapeutically, it addresses vitamin B12 deficiency and pernicious anemia. It is a water-soluble, red crystalline compound with high thermal stability. Mechanistically, it serves as a cofactor for methionine synthase and methylmalonyl-CoA mutase, facilitating DNA synthesis and propionate metabolism. Its redox activity and coordination chemistry underpin its biochemical roles in one-carbon transfer reactions.