Prednisolone Acetate EP Impurity D CAS 20423-99-8
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 20423-99-8 |
| Molecular Formula | C21H28O4 |
| Molecular Weight | 344.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Prednisolone Acetate EP Impurity D (CAS 20423-99-8) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H28O4. Molecular weight: 344.44 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H28O4 |
| Molecular Weight | 344.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >90% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
Related Prednisolone Standards
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Recommended Standards
- Methylprednisolone EP Impurity E (CAS 229019-44-7)
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Why CATO?
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