CAS NO: 50-14-6
Specification: USP/EP
| Product Name | Vitamin D2(Ergocalciferol) Also provide micro encapsule 100000IU |
| Quality Standard | USP/EP |
| Testing Items | Critrion |
| Appearance: | White to light yellow crystalline powder |
| Melting Point | 115℃-117℃ |
| Specific Rotation | +103º+107.0° |
| Light absorption | 450-500 |
| Organic Volatile impurities | Comply |
| Solubility | Freely solube in alcohol |
| Reducing substances | ≤20ppm |
| Ergosterol | Comply |
| Assay HPLC 40MIU/G | 97.0-103.0% |
| Identification IR | Complies |