Dexamethasone Acetate
Dexamethasone Acetate
- Price：
- Molecular Formula： C24H31FO6
- CAS： 1177-87-3
- HS： 2937221000
Dexamethasone Acetate
CHEMICAL FORMULA: C24H31FO6
M.W.: 434.498 CAS#: 1177-87-3 Shelf life: 36 month
Uage: can play an antibacterial, anti-inflammatory and anti-allergic role and so on.
ITEMS | Standard | Result |
Appearance | White or off white crystalline powder | white crystalline powder |
Assay | 97.5%-102.0% | 99.6% |
Identification | A:IR | conform |
B:HPLC | conform | |
Solubility | Practically insoluble in water ,freely soluble in acetone and in ethanol(96 percent),slightly soluble in methylene chloride. | conform |
Specific rotation | +94°~+99° | +96° |
Loss on drying | ≤0.5% | 0.26% |
Related Substances | Impurity I≤0.3% | 0.15% |
Impurity D≤0.2% | 0.07% | |
Impurity A≤0.2% | 0.11% | |
Impurity E≤0.2% | 0.06% | |
Unspecified Impurity≤0.1% | 0.08% | |
Total Impurity≤0.5% | 0.29% | |
Conclusion | It conforms to EP9 | |
Packing and Storage: Preserve in tight, light-resistant containers.