13870-90-1 Adenosylcobalamine Cobamamide
Product Name | Vitamin B12 Methylcobalamin |
CAS No. | 13422-55-4 |
Molecular Formula | C63H88CoN14O14P |
Specification | 96.0%-100.5% |
Melting point | >300°C |
Appearance | Dark red crystal or crystalline powder |
Odor | Characteristic |
Particle size | 100% pass 80 mesh |
Item | Specification | Results | |||||
Description | Dark red crystalline powder, have no smelly and tasteless;Hygroscopicity | Dark red crystalline powder,have no smelly and tasteless;Hygroscopicity | |||||
Identification | Positive | Positive | |||||
Ratio Absorbances |
A361nm/A278nm: 1.70-1.90 A361nm/A550nm: 3.15-3.40 |
1.87 3.32 |
|||||
Pseudo Cyanocobalamin | Complies | Complies | |||||
Loss on drying | ≤12.0% | 2.20% | |||||
Assay on dried | 96.0~100.5% | 98.50% | |||||
Bacteria | ≤1000cfu/g | 20cfu/g | |||||
Mould,Yeasts | ≤100cfu/g | No found | |||||
E Coli | No found | No found | |||||
Limit of residual solvents | Acetone≤0.5% | 0.02% | |||||
Conclusion | Conform to Complies with USP.34 |
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