Cobalamin skeletal.svg
Cyanocobalamin-from-xtal-3D-st-noH.png
維他命B12
系統(IUPAC)名稱
α-(5,6-Dimethylbenzimidazolyl)cobamidcyanide
識別號
CAS number 68-19-9
ATC code B03BA01
PubChem 184933
DrugBank DB00115
化學資料
公式 C63H88CoN14O14P 
分子質量 ?
SMILES search in eMolecules, PubChem
Synonyms Vitamin B12, vitamin B-12, cobalamin
Pharmacokinetic data
Bioavailability Readily absorbed in distal half of the ileum.
Protein binding Very high to specific transcobalamins plasma proteins.
Binding of hydroxocobalamin is slightly higher than cyanocobalamin.
Metabolism liver
Half life Approximately 6 days
(400 days in the liver).
Excretion kidney
醫療嘅考慮
Pregnancy cat.

?

Legal status

POM(UK) OTC(US)

Routes By mouth, sublingual, intravenous (IV), intramuscular (IM), intranasal

維他命B12粵拼wai4 taa1 ming6 B sap6 ji6,Vitamin B12)係種維他命,分子式C63H88O14N14PCo。

  • "Cyanocobalamin". Drug Information Portal. U.S. National Library of Medicine.
  • "Hydroxocobalamin". Drug Information Portal. U.S. National Library of Medicine.
  • "Methylcobalamin". Drug Information Portal. U.S. National Library of Medicine.
  • "Adenosylcobalamin". Drug Information Portal. U.S. National Library of Medicine.