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Vitamin B12

 

Product name:Vitamin B12
CAS : 68-19-9
Molecular Formula : C63H88CoN14O14P
Molecular Weight : 1355.37g/mol
Description :
Cyanocobalamine ,Vitamin B12, vitamin B12 or vitamin B-12, also called cobalamin, is a water soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins.
 

Product name
Vitamin B12(Cyanocobalamin)
Mfg.Date
Feb.28,2013
 
 
Batch No
C110237A
Sample Date
Feb.28,2013
 
 
Packing
1kg/tin
Cert.Date
Mar.7.2013
 
 
Quantity
14kg
Exp.Date
Feb.27,2015
 
 
According as
EP6.0 and in house method
 
Test items
Specification
Results
 
Characters
Dark red, crystalline powder or dark red crystals
Complies
 
Identification A
UV:A361nm/A278nm:1.70~1.90 A361nm/A547-559nm:3.15~3.45
1.86 3.26
 
Identification B
TLC:Meets EP requirments
Complies
 
Loss on drying
≤10.0%
3.70%
 
Assay
97.0%-102%
99.19%
 
Related substances
Total impurities ≤30.%
1.5%
 
Unknown impurity 1(RRT 1.4)≤1.0%
0.97%
 
Unknown impurity 2(RRT 1.6)≤0.5%
0.24%
 
Unknown impurity(RRT 1.8)≤0.32%
0.24%
 
Any other detectable impurities≤0.2%
Complies
 
Residual solvent
Acetone ≤0.5%
0.26%
 
Total plate count
≤800cfu/g
75cfu/g
 
Yeast and Mold
≤800cfu/g
10cfu/g
 

 

 


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