sparingly soluble in water, and slightly soluble in ethanol (99.5).  

UV;HPLC

≤12%  

7β,8β-Lactocyanocobalanib≤1.0%; 

50-Carboxycyanocobalamin≤0.5%; 

34-Methylanocobalamin≤2.0%; 32-Carboxycyanocobalamin≤1.0%; 

8-epi-Cyanocobalamin≤1.0%; 

Any other unidentified impurity≤0.5%; 

Total impurities≤3.0%  

96.0%~102.0%

≤5000ppm

≤1000cfu/g

≤100cfu/g

Food additives

Preserve in tight containers and store at 2°~8°. Protect from light.