维生素 B12 ≥95.0% (by UV/Vis)

供应商: TCI

Synonyms: 氰钴胺, α-(5,6-Dimethylbenzimidazolyl)cyanocobamide, CN-Cbl, Cyanocob(III)alamin

C0449-1G C0449-100MG
TCIAC0449-1GEA 0 CNY
TCIAC0449-1G TCIAC0449-100MG
维生素 B12 ≥95.0% (by UV/Vis)
维生素 B12
分子式: C₆₃H₈₈CoN₁₄O₁₄P
分子量: 1355.38 g/mol
溶点: 320
存储条件: Refrigerator
MDL编号: MFCD00151092
CAS号: 68-19-9
EINECS: 200-680-0
Merck Index: 14,10014

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产品技术规格

Appearance Red to Dark red to Dark purple powder to crystal
Purity (UV-vis method) 95.0 to 105.0 % (calcd.on dried substance)
abs-ratio (a/b) 0.53 to 0.59 (E278/E361)
abs-ratio (2a/2b) 0.29 to 0.32 (E550/E361)
Drying loss max. 10.0 %


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