CAS number: 67-97-0
Molecular formula: C27H44O
molecular weight: 384.6377
Chemical structure:
Product Name | Vitamin D3 40Miu Inj. Grade | ||
Shelf Life | 3 years | ||
Item | Specification | Result | |
Appearance | A white crystalline powder | Conform | |
Identification | Infrared Absorption | The IR spectrum of sample corresponds to that spectrum of Cholecalciferol Crystalline Reference Standard. | Conform |
Color Test | A bright red color is produced, and it rapidly changes through violet and blue to green. | Conform | |
Impurities | 7-Dehydrocholesterol | NMT 0.5% | Conform |
Other individual related compound | NMT 0.1% | Conform | |
Total impurities | NMT 1.0% | Conform | |
Specific Rotation | +105.0°~+112.0° | +110.38° | |
Melting Point | 82.0℃-87.0℃ | 82.5℃-84.0℃ | |
Assay (HPLC) | 97.0%~103.0%(C27H44O) | 98.56% | |
Conclusion: This batch meets the specifications of QS(B)-007-01. |