CAS No.:50-14-6
Vitamin D2
CAS No.:50-14-6
HS Code:2936900000
Specification:Food/Feed/Pharmaceutical Grade
Packing:25kg bag/drum/carton
Vitamin D2 is absorped by the intestinal, the absorption of bile salts and need special α-binding globulin after transported to other parts of the body, stored in the liver and fat. Metabolism, activation through the liver first, followed by the kidneys.
Specification
| ITEMS | SPECIFICATION |
| Appearance | Meet the requirement |
| Identification | Meet the requirement |
| Examination | Dissolve 10mg of vitamin D2 into 2ml of 90% ethanol, add 2ml solution of digitalis saponin and incubate for 18 hours. No precipitation or cloud should be observed. |
| Melting Range | 115 ~ 119°C |
| Specific Rotation | +103°~+106 |
| Solubility | Freely soluble in alcohol |
| Reducing Substances | Max 20ppm |
| Ergosterol | none |
| OrganicVolatilityImpurities | Corresponding using method IV(467) |