Fluticasone Impurity 40 CAS 25256-97-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 25256-97-7 |
| Molecular Formula | C20H24F2O3 |
| Molecular Weight | 350.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Fluticasone Impurity 40 (CAS 25256-97-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H24F2O3. Molecular weight: 350.40 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H24F2O3 |
| Molecular Weight | 350.40 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | F-containing |
Related Fluticasone Standards
- Fluticasone Impurity 87 (CAS CATO-C4X-165087)
- Fluticasone Impurity N11 (CAS 192191-46-1)
- Fluticasone Impurity 78 (CAS CATO-C4X-165078)
- Fluticasone Impurity 80 (CAS CATO-C4X-165080)
- Fluticasone Impurity N9 (CAS 3863-16-9)
- Fluticasone Impurity N10 (CAS 23961-95-7)
- Fluticasone Impurity 56 (CAS CATO-C4X-165056)
- Fluticasone Impurity 86 (CAS CATO-C4X-165086)
Recommended Standards
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- 2-(6-Chloropyridin-2-yl)-2-(2-methoxyphenyl)acetonitrile (CAS 400089-36-3)
- (2S,3R,4R,5S)-5-((R)-1,2-dihydroxyethyl)tetrahydrofuran-2,3,4-triol (CAS 36468-82-3)
- Peptide Impurity 82 (CAS 10491-78-8)
Why CATO?
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