CAS number: 50-24-8
Molecular formula:
molecular weight:
Chemical structure:
Product: | Prednisolone | |
Expiry Time: | 2 years | |
Standard: | BP93 | |
Item | Specification | Result |
Appearance | A white or almost white crystalline powder,hygroscopic. | An almost white crystalline powder |
Identification |
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A:I.R. Spectrum | Concordant with that of R.S./WS | Complies |
B: Identification of Steroids | To comply with I.P. Test | Complies |
Solubility | Very slightly soluble in water, soluble in ethanol (95%) and in methanol; sparingly soluble in acetone; slightly soluble in chloroform. | Complies |
Melting range | About 230℃ | 230℃ |
Light absorption | 400 ~ 430 | 403.9 |
Specific optical rotation | +96° ~ +102° | +99.2° |
Related substance: |
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Individual impurity | ≤2.0% | 0.8% |
Not more than one impurity | ≥1.0% | Complies |
Loss on drying | ≤1.0% | 0.3% |
Assay | 96.0%~104.0% | 99.5% |
Conclusion: |
Complies with BP93 |