Dexamethasone EP Impurity E CAS 13209-41-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 13209-41-1 |
| Molecular Formula | C22H28O4 |
| Molecular Weight | 356.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Dexamethasone EP Impurity E (CAS 13209-41-1) pharmacopoeial impurity standards reference standard. Molecular formula: C22H28O4. Molecular weight: 356.46 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H28O4 |
| Molecular Weight | 356.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
Related Dexamethasone Standards
- Dexamethasone EP Impurity K (CAS 1809224-82-5)
- Dexamethasone Impurity 94 (CAS 59861-00-6)
- Dexamethasone Impurity 33 (CAS 75262-69-0)
- Dexamethasone impurity 89 (CAS CATO-C4X-116589)
- Dexamethasone Impurity 59 (CAS CATO-C4X-116559)
- Dexamethasone Impurity 85 (CAS CATO-C4X-116585)
- Dexamethasone Impurity 58 (CAS CATO-C4X-116558)
- Dexamethasone EP Impurity J (CAS 2036-77-3)
Recommended Standards
- Linagliptin Impurity 26 (CAS CATO-C4X-110126)
- Betamethasone EP Impurity C (CAS 13504-15-9)
- Ceritinib Impurity 16 (CAS CATO-C4X-1048916)
- Apixaban Impurity 128 (CAS CATO-C4X-1088128)
- Bosutinib Impurity 2 (CAS CATO-C4X-18472)
- (S)-2-amino-4-methyl-1,1-diphenylpentan-1-ol (CAS 78603-97-1)
- 2,2-Difluoro-2-(6-methoxypyridin-3-yl)acetic acid (CAS 2008444-82-2)
- 3-(4-aminophenoxy)propanoic acid (CAS 350699-65-9)
- 1-(4-(4-(3-(Furan-2-yl)-1H-pyrazol-5-yl)piperidin-1-yl)-3-nitrophenyl)ethan-1-one (CAS 1025725-16-9)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
Why CATO?
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