Vitamin B12

We are Vitamin B12 CAS:68-19-9 manufacturer and supplier in China, Pls send inquiry of to info@nbinno.com of visit www.nbinno.com our official website should you have any interests

Synonyms:
cyanocob(III)alamin
Cyanocobalamin
CN-13-epiCbl
covit
cn-b12
vitamin B-12
cyomin
EINECS 200-680-0
MFCD00151092
Bedoz
CN-CBL
 
Molecular Formula: C63H89CoN14O14P++++
Molecular Weight: 1356.37000
 
Appearance and properties: red crystalline powder
Melting point: >300ºC
Stability: Hygroscopic. Keep cold and dry.
 
Storage conditions: 2-8ºC
Applications: Vitamin B12 is a water-soluble vitamin that plays a key role in maintaining the normal function of the brain and nervous system and the formation of blood flow.

Items of Analysis Standard of Analysis Test Results
Appearance Dark red crystals or dark red crystalline powder Conform
Identification A UV:Absorption maxima at 278±1nm,361±1nm and 550±2nm. Conform
A361nm/A278nm: 1.70~1.90
A361nm/A550nm: 3.15~3.45
1.86
3.26
Identification B TLC:The principal spot in the chromatogram obtained with the test solution is similar in position, colour and size to the principal spot in the chromatogram obtained with the reference solution. Conform
Loss on drying ≤10% 3.1%
Assay 97-102% 99.3%
Related substances Total impurities ≤3%  1.3%
Acetone ≤5000 ppm 619 ppm
The total aerobic microbial count ≤1000 cfu/g 65 cfu/g
The total combined yeasts/mould count ≤100 cfu/g <10 cfu/g
Conclusion Conforms to Factory Standard
 


Vitamin B12


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