Difluprednate Impurity 3 CAS 1234557-20-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1234557-20-0 |
| Molecular Formula | C20H24F2O5 |
| Molecular Weight | 382.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Difluprednate Impurity 3 (CAS 1234557-20-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H24F2O5. Molecular weight: 382.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H24F2O5 |
| Molecular Weight | 382.40 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1990 |
| Halogen Content | F-containing |
Related Difluprednate Standards
- Difluprednate Impurity 2 (CAS 2285-44-1)
- Difluprednate Impurity 5 (CAS 1270039-29-6)
- 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
- N'-[(1E)-[2-(Piperidin-1-yl)-1,3-thiazol-5-yl]methylidene]-4-(trifluoromethyl)benzohydrazide (CAS 477868-71-6)
- Ibuprofen Acyl Glucuronide (Mixture of Diastereomers) (CAS 115075-59-7)
- N-(2-(2-Methyl-1H-indol-3-yl)ethyl)-4-(trifluoromethyl)benzenesulfonamide (CAS 606133-69-1)
- Darunavir impurity 33 (CAS CATO-C4X-160633)
- Dopamine Impurity 60 (CAS 344791-90-8)
- 2-Amino-5-(3,5-difluorophenyl)pyridine (CAS 438585-72-9)
- 5-Bromo-4-cyclopropoxypicolinic acid (CAS 1243448-35-2)
- 2-chloro-[1,2,4]triazolo[1,5-a]pyridin-6-amine (CAS 1545012-63-2)
- 3H-spiro[benzo[d]thiazole-2,1'-cyclopentane] (CAS 183-31-3)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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