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vitamin b12 supplements 68-19-9 GMP approval
- 5 Ton / Tons per Month
- shanghai hangzhou ningbo
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Product Details
CAS No.: | 68-19-9 | Other Names: | vitamin b12 supplements | MF: | C63H88CoN14O14P |
EINECS No.: | 200-680-0 | Place of Origin: | Zhejiang, China | Type: | Nutrition Enhancers |
Brand Name: | Weishi |
Product Description
Specifications
vitamin b12 supplementsCAS No.:68-19-9
Empirical formula:C63H88CoN14O14P
Appearance:dark red powder
Vb12(Cyanocobalamin/Vitamin B12)
USP31/BP2002
CAS:68-19-9
1kg/tin
Vb12(Cyanocobalamin/Vitamin B12)
USP31/BP2002
CAS:68-19-9
COA:
Test Items | Specifications | Test Result | Items Conclusion |
Description | Dark red crystalline powder, Have no smelly and tasteless;Lead wet strong. | Dark red crystalline powder,Have no smelly and tasteless;Lead wet strong. | Complies |
Identification | Positive | Positive | Complies |
Ratio Absorbances | A361nm/A278nm:1.70-1.90 A361nm/A550nm:3.15-3.40 | 1.85 3.22 | Complies |
Pseudo Cyanocobalamin | Complies | Complies | Complies |
Loss on Drying | ≤12.0% | 2.6% | Complies |
Assay on dried | 96.0%-100.5% | 98.2% | Complies |
Conclusion | Conform to Complies with USP31. |
Contact Us
- Zhejiang Weishi Biotechnology Co., Ltd.
- Contact nameKing Wang
- AddressWuzheng Town Industry Zone
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