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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 ineMolecules,PubChem |
| Synonyms | Vitamin B12, vitamin B-12, cobalamin |
| Pharmacokinetic data |
| Bioavailability | Readily absorbed in distal half of the ileum. |
| Protein binding | Very high to specifictranscobalamins plasma proteins.
Binding ofhydroxocobalamin 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 |
