CAS NO: 57-83-0
Specification: BP/USP
| Product Name | Progesterone |
| Quality Standard | BP/USP/EP |
| Testing Items | Critrion |
| Appearance | White crystalline powder |
| Melting Point | 126℃ to 131℃ |
| Identification | Positive |
| Residue on ignition | Meets |
| Specific Optical Rotation | +175ºto +183º |
| Other steroid | Meets |
| Loss on drying | ≤0.5% |
| Assay | 97.%-103.0% on dry basis |
| Particle Size | 90%Min to pass 150um |