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Vitamin B12 / Cyanocobalamin (68-19-9)
Product:Cyanocobalamin (68-19-9)
CAS NO.: 68-19-9
Molecular formula: C63H88CoN14O14P
Molecular weight: 1355.37
EINECS NO.: 200-680-0
Diagnosis-related group: Organometallics; Biochemistry; Classes of Metal come; Co (Cobalt) come; Porphyrins. The Transition Metal come; Vitamins; Nutritional Supplements. Vitamins and derivatives; Vitamin Ingredients; Food additives; Vitamins; Nutrition enhancer; Feed additives; Vitamin additives; Carbohydrates & Derivatives; Chiral Reagents; Intermediates and Fine Chemicals. Pharmaceuticals; Active pharmaceutical ingredients. Mainly, informs in the treatment of giant young red blood cell anemia, nutritional bad blood loss anemia, neuralgia and obstructive diseases. Traditional Chinese medicine reference substance; Vitamin series; Standard; Amino acid; Analysis of standard; Reference substance
Cyanocobalamin (68-19-9)
| Melting point | >300°C |
| Flash point | 9℃ |
| Storage conditions | 2-8°C |
| Solubility | Soluble |
| Water solubility | Soluble |
| Sensitivity | Hygroscopic |
| Merck | 1,410,014 |
| BRN | 4122889 |
| stability | Hygroscopic. Keep cold and dry. |
Cyanocobalamin (68-19-9)
Item | Specifications | Results |
Description | Dark red crystalline powder, Have no smelly and tasteless, Hygroscopicity | Dark red crystalline powder, Have no smelly and tasteless, Hygroscopicity |
Ratio Absorbances | A361nm/A278nm:1.70~1.90 A361nm/A550nm:3.15~3.40 | 1.85 3.27 |
Pseudo Cyanocobalamin | Complies | Complies |
Loss on drying | ≤12.0% | 2.4% |
Assay on dried | 96.0~100.5% | 98.9% |
Bacteria | ≤1000cfu/g | 20cfu/g |
Mould & Yeasts | ≤100cfu/g | No found |
E.Coli | Not found | Not found |
Limit of residual solvents | Acetone≤0.5% | 0.07% |
Conclusion | The results conforms with USP34 standards | |
