anhydrous micronized Prednisolone
anhydrous micronized Prednisolone.
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- Molecular Formula： C21H28O5
- CAS： 50-24-8
- HS： 2937210000
anhydrous micronized Prednisolone
CHEMICAL FORMULA: C21H28O5
M.W.: 360.444 CAS#: 50-24-8 Shelf life: 36 month
Uage: It has various pharmacological effects such as anti-inflammatory, anti-allergic and immune suppression and so on.
ITEMS | Standard | Result |
Appearance | white crystalline powder | conform |
Assay | 97.0%-102.0% | 98.2% |
Identification | IR | conform |
| UV | ||
Solubility | Soluble in methanol and in dioxane, sparingly soluble in acetone,in alcohol,slightly soluble in chloroform,very slightly soluble in water. | conform |
Specific rotation | +97.0°~+103.0° | +98.4° |
Loss on drying | ≤1.0% | 0.5% |
Residual on Ignition | Ignored Calculate for 100mg | conform |
Residual solvents | Ethyl acetate≤5000ppm Chloroform≤60ppm Methanol≤3000ppm Methylene chloride≤600ppm Dimethyl formamide≤880ppm Acetone≤5000ppm | 44ppm ND ND ND 32ppm 66ppm |
Related substance | Any max≤0.6% | 0.57% |
Total max≤2.0% | 0.86% | |
Selenium | ≤0.003% | conform |
Conclusion | It conforms to USP 42 | |
Packing and Storage: 5kg/tin; Preserve in well-closed container.