| Function: | Vitamins and Minerals Deficiency Drug, Nutritional Therapeutics |
|---|---|
| Certification: | GMP, FDA |
| Grade Standard: | Medicine Grade |
| Type: | Vitamins |
| State: | Solid |
| Volatile: | Not Volatile |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier | Specification of Vitamin B12 Cyanocobalamin | |
| TEST ITEM | SPECIFICATION |
| Description | Dark red crystal or crystalline hygroscopic powder,with no smell and no taste; hyproscopicity |
| Identification A | A361nm/A278nm:1.70-1.90; A361nm/A550nm:3.15-3.40 |
| Identification B | The retention time of major peak of the sample solution corresponds to that of the standard solution |
| Identification C | Positive |
| Infrared Spetrum | The infrared spectrum of the sample should be consistent with the reference map |
| Loss on drying | ≤12.0% |
| Assay | 96.0 % to 102.0% |
| Total impurities | ≤3.0 |
| 7β, 8β-lactocyanocobalamin | ≤1.0 |
| 50-carboxycyanocobalamin | ≤0.5 |
| 34-methylcyanocobalamin | ≤2.0 |
| 32-carboxycyanocobalamin | ≤1.0 |
| 8-Epi-cyanocobalamin | ≤1.0 |
| Any other unidentified impurity | ≤0.5 |
| Total bacteria count | ≤800cfu/g |
| Molds&Yeasts | ≤100cfu/g |
| E. coli | Negative |
| Residual solvents | Acetone≤0.5% |
Suppliers with verified business licenses
Audited Supplier 
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