CAS No. :
68-19-9EINECS :
200-680-0Resource :
CHINAPackage :
100G/TIN; 1KG/TINBrand :
TOPESSENCEFormula :
C63H88CoN14O14PMinimum Order :
1KGItem :
VB12 (Cyanocobalamin)
Description
Vitamin B12 is an essential vitamin found in foods such as meat, fish, and dairy. It can also be made in a lab and is often taken with other B vitamins. Vitamin B12 is required for the function and development of many parts of the body, including the brain, nerves, and blood cells.
Specification
| Test items | Specifications | Results | Test methods |
| Characters | Dark red crystals or amorphous or crystalline red powder. | Complies | Visual method |
| UV:The absorption spectrum exhibits maxima at 278±1nm,361±1nm,and550±2nm. | Complies | ||
| ldentification A | USP monograph | ||
| A₃61nmIA278nm:1.70～1.90 | 1.86 | ||
| A₃61 nmIAs50nm:3.15～3.40 | 3.27 | ||
| IdentificationB | Cobalt:Meets USP requirements | Complies | USP monograph |
| IdentificationC | HPLC:The retention time of the major peak of the sample solution corresponds to that of the standard solution. | Complies | USP monograph |
| Loss on drying | ≤10.0% | 2.40% | USP monograph/USP<731> |
| Assay | 97.0%～102.0% | 99.30% | USP monograph |
Application
High purity vitamin B12 food grade is essential for healthy blood. When the body does not have enough B12, it leads to decreased normal red blood cell production (anemia), which impairs oxygen delivery.
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