• Cyanocobalamin,cas no 68-19-9
Cyanocobalamin,cas no 68-19-9

Cyanocobalamin,cas no 68-19-9

Product Name: Vitamin B12
Synonyms: Methylcobalamin Manufacturer;COBALAMINE;CN-CBL;ALPHA-(5,6-DIMETHYLBENZIMIDAZOLYL)CYANOCOBAMIDE;A-(5,6-DIMETHYLBENZIMIDAZOLYL)COBAMIDE CYANIDE;Vitamin B12;α-(5,6-Dimethylbenzimidazolyl)cyanocobamide;Vb12
CAS: 68-19-9
MF: C63H88CoN14O14P
MW: 1355.37
EINECS: 200-680-0
Purity: 98%+
Vitamin B12 Structure

Melting point  >300°C
alpha  23656 -59 ± 9° (dil aq soln)
Fp  9℃
storage temp.  2-8°C
solubility  Sparingly soluble in water and in ethanol (96 per cent), practically insoluble in acetone. The anhydrous substance is very hygroscopic.
form  Crystalline Powder or Crystals
pka pKa 3.28±0.04(H2O,D2O t=23±0.5 Iunspeci?ed) (Uncertain)
color  Red to dark red
Water Solubility  Soluble
Sensitive  Hygroscopic
Merck  14,10014
BRN  4122889
Stability: Hygroscopic. Keep cold and dry.


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