CAS number： 84371-65-3
Molecular formula： C29H35NO2
molecular weight： 429.5937
Chemical structure：
| Product Name | Mifepristone | |
| Shelf Life | 2 years | |
| Specification | CP2010 | |
| Item | Specification | Result |
| Appearance | Light yellowish crystalline powder | Light yellowish crystalline powder |
| Identification | In the 304nm, 260nm at the maximum absorption | Conforms |
| IR pattern consistenet with the spectral set | Conforms | |
| Melting range | 192.0℃-196.0℃ | 192.8℃-194.8℃ |
| Specific rotation | +124° to +129° | +127.6° |
| Loss on drying | ≤0.5% | 0.1% |
| Related substances | Individual impurity≤1.0% | 0.32% |
| Total impurities≤2.0% | 0.59% | |
| Content | ≥98.5% | 99.7% |
