Items | Standard |
Appearance | A White crystalline powder |
Identification | Infrared absorption |
Colour test | |
7-Dehydrocholesterol | NMT.0.5% |
Other individual related compound | NMT. 0.1% |
Total related compounds | NMT. 1.0% |
Specific rotation | +105.0°~+112.0° |
Melting Point | 82.0℃~87.0℃ |
Assay | 97.0%~103.0%(as C27H44O) |