CAS NO: 378-44-9
Specification: BP/USP
| Product Name | Betamethasone Base |
| Quality Standard | BP/USP/EP/CP/JP |
| Testing Items | Critrion |
| Identification | Pass |
| Specification Rotation | +118º to +126°dry basis |
| Loss on drying | 1.0% Max |
| Residue on ignition | 0.2% Max |
| Ordinary impurities | Pass |
| Residue solvent | Meets the requirements |
| Assay | 97.0% to 103.0% |