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Sichuan Province Yuxin Pharmaceutical Co.,Ltd.
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| Description |
A white or slightly yellowish, crystalline powder or white or almost white crystals. |
| Solubility |
Freely soluble in ethanol (96 per cent), in chloroform and in ether, practically insoluble in water. It is soluble in fixed oils. Solutions in volatile solvents are unstable and should be used immediately. |
| Identification |
IR: Compare the spectrum with the reference spectrum. |
| Specific optical rotation |
+103.0° to +107.0° |
| Reducing substances |
Not more than 20 ppm. |
| Ergosterol(Impurity B) |
Not more than 0.2% |
| Related substances |
| Impurity A (Trans-vitamin D2) |
Not more than 0.5% |
| Impurity F |
Not more than 0.5% |
| Impurity G(Vitamin D4) |
Not more than 1.5% |
| Any unspecified impurity |
Not more than 0.10% |
| Total impurities |
Not more than 2.5% |
| Assay |
96.5%-102.0% of C28H44O. |
| Store Condition |
Store in airtight container,under nitrogen,protected from light,at a temperature between 2°C-8°C. |
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Quanzhou Fortune Biopharma Co.,Ltd.
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Packing: 100g/500g aluminum foil bag + aluminum can.
Vitamin D2 has the physiological functions of promoting intestinal calcium absorption, regulating calcium and phosphorus metabolism, and inducing bone calcium and phosphorus deposition. It can promote bone growth and prevent rickets.
Storage: This product needs to be filled with nitrogen, because due to the nature of crystallization, it is unstable, and the pharmacopoeia requires nitrogen protection.
Main uses: Metabolic, generally used for weight loss |
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Pharma Sources Insight January 2025
