Customization: | Available |
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CAS No.: | 1406-16-2 |
Formula: | C27h44o |
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Healthcare Supplement Cosmetics Grade CAS 1406-16-2 Cholecalcin Vitamin D/VD Powder
Vitamin D (VD for short) is a fat-soluble vitamin. It is a cyclopentane polyhydrophenanthrene compound. It is a group of vitamins that are structurally related to sterols and can prevent rickets in function.
The most important ones are vitamin D3 and D2. The former is formed by ultraviolet radiation of 7-dehydrocholesterol under human skin. The latter is formed by ultraviolet radiation of ergosterol contained in plants or yeast.
Product Name | Vitamin D |
CAS number | 1406-16-2 |
Apperance | White powder |
Density | 1.0±0.1 g/cm3 |
MF | C27H44O |
MW | 384. |
Product Name | Vitamin D Powder | |
Appearance | White to pale yellow crystalline powder | White to pale yellow crystalline powder |
Solubility | Meets the requirements | Meets the requirements |
Identification | AInfrared spectrum should conform | Complies |
B Should conform | Complies | |
Specific rotation | +58°~ +64° | +61° |
Loss on drying | ≤3.0% | 2.3% |
PH | 4.5~6.5 | 5.0 |
Moisture water content | ≤6.0% | <4.6% |
Absorbance | ≤0.20% | Complies |
Absorbance index | 360~390 | Complies |
Assay of Cefotaxime (calculated on the dried basis) |
≥95% | 99% |
Any individual impurity | ≤1.0% | 0.38% |
Sum of all impurities | ≤3.0% | 1.4% |
Bacterial endotoxins | <0.20 USPEUmg | <0.20 USPEUmg |
Sterility | Meets the requirements | Meets the requirements |
Conclusion | Conform with specification |
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