Active Ingredient History

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Methylcobalamin (also known as mecobalamin, MeCbl, or MeB12) is one of the two forms of biologically active vitamin B12. Methyl-B12 is the principal form of circulating vitamin B12, hence the form, which is transported into peripheral tissue. Methylcobalamin is absorbed by the intestine by a specific mechanism, which uses the intrinsic factor, and by a diffusion process in which approximately 1% of the ingested dose is absorbed. Cyanocobalamin and hydroxycobalamin are forms of the vitamin that require conversion to methylcobalamin. Methylcobalamin alone or in combination with others compound are used to treat different diseases. Being a component of CEREFOLIN NAC it is used to treat Alzheimer's dementia. As a part of METANX® tablets is used for the dietary management of endothelial dysfunction in patients with diabetic peripheral neuropathy. Methylcobalamin exerted therapeutic effects on neuropathic pain in diabetics, possibly through its neurosynthesis and neuroprotective actions. The possible mechanisms can be considered as follows. (1) Methylcobalamin improved nerve conduction velocity; (2) methylcobalamin promoted injured nerve regeneration, recovering the neuromuscular functions in peripheral hyperalgesia and allodynia; and (3) methylcobalamin inhibited the ectopic spontaneous discharges from peripheral primary sensory neurons in neuropathic pain states. Methylcobalamin is the only form that can cross the blood-brain barrier and so can directly protect brain cells from degeneration. While crossing the barrier, it also stimulates production of serotonin, a chemical neurotransmitter responsible for elevated mood; research where Alzheimer’s patients were administered methylcobalamin showcased improvements in memory, communication skills, and emotions. It also helps form the myelin sheath, the insular coating around nerve cells that allow for electrical impulses to travel through the nervous system more efficiently.   NCATS

  • SMILES: [CH3-].[Co+3].C[C@@H](CNC(=O)CC[C@]1(C)[C@@H](CC(N)=O)[C@H]2[N-]C1=C(C)C3=NC(=CC4=NC(=C(C)C5=N[C@]2(C)[C@@](C)(CC(N)=O)[C@@H]5CCC(N)=O)[C@@](C)(CC(N)=O)[C@@H]4CCC(N)=O)C(C)(C)[C@@H]3CCC(N)=O)OP([O-])(=O)O[C@@H]6[C@@H](CO)O[C@@H]([C@@H]6O)N7C=NC8=C7C=C(C)C(C)=C8
  • InChIKey: ZFLASALABLFSNM-QBOHGLHMSA-L
  • Mol. Mass: 1344.3823
  • ALogP: Missing data
  • ChEMBL Molecules: Missing data
More Chemistry
adenosylcobalamin | cobalamin coenzyme | cobamamide | vitamin b12 coenzyme

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