Difluprednate Impurity 5 CAS 1270039-29-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1270039-29-6 |
| Molecular Formula | C21H24F2O4 |
| Molecular Weight | 378.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Difluprednate Impurity 5 (CAS 1270039-29-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H24F2O4. Molecular weight: 378.41 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H24F2O4 |
| Molecular Weight | 378.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
Related Difluprednate Standards
- Difluprednate Impurity 2 (CAS 2285-44-1)
- Difluprednate Impurity 3 (CAS 1234557-20-0)
- Difluprednate Impurity 6 (CAS 167997-12-8)
- Difluprednate Impurity N2 (CAS 2326-26-3)
- Difluprednate Impurity N1 (CAS 23640-96-2)
- Difluprednate Impurity 1 (CAS CATO-C4X-21781)
- Difluprednate Impurity 4 (CAS 1296262-60-6)
- Difluprednate (CAS 23674-86-4)
Recommended Standards
- Methyl 2-(5-benzyl-4,6-dioxo-3-phenyloctahydropyrrolo[3,4-c]pyrrol-1-yl)acetate (CAS 1008006-46-9)
- 4-((Triphenyl-lambda5-phosphanylidene)amino)benzonitrile (CAS 74395-06-5)
- tert-Butyl 3-oxo-2-(2-oxo-2-(2-phenoxyethoxy)ethyl)piperazine-1-carboxylate (CAS 1009751-17-0)
- Metoclopramide Impurity 24 (CAS 55304-05-7)
- Lusutrombopag Impurity 58 (CAS CATO-C4X-208458)
- tert-Butyl 4-(chloromethyl)imidazole-1-carboxylate (CAS 500782-71-8)
- tert-Butyl 3-bromo-6-fluoropyridine-2-carboxylate (CAS 1430753-76-6)
- 1-Bromo-4-(3,3-difluorocyclobutyl)benzene, 97% (CAS 1236357-60-0)
- 4,8-Dimethyl-1-phenylnonane (CAS 205529-85-7)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com