Ethyl 5-(3,4-difluorophenoxy)pentanoate CAS 1443304-66-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1443304-66-2 |
| Molecular Formula | C13H16F2O3 |
| Molecular Weight | 258.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-(3,4-difluorophenoxy)pentanoate (CAS 1443304-66-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H16F2O3. Molecular weight: 258.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H16F2O3 |
| Molecular Weight | 258.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | F-containing |
Related Ethyl Standards
- Ethyl 5-(2,3-difluorophenoxy)pentanoate (CAS 1443344-82-8)
- Ethyl 5-(2,4-difluorophenoxy)pentanoate (CAS 1443344-94-2)
- Ethyl 5-(2,5-difluorophenoxy)pentanoate (CAS 1443346-24-4)
- Ethyl 5-(2,6-difluorophenoxy)pentanoate (CAS 1443353-72-7)
- 2-(3,4-Difluorophenoxy)ethane-1-sulfonyl chloride (CAS 1339827-32-5)
- 2-(2,3-Difluorophenoxy)ethane-1-sulfonyl chloride (CAS 1339864-41-3)
- 2-(2,5-Difluorophenoxy)ethane-1-sulfonyl chloride (CAS 1342471-67-3)
- 6-(2,4-Difluorophenoxy)-2-formylnicotinonitrile (CAS 1221271-94-8)
Recommended Standards
- Methyl 1-cyclohexyl-5-(difluoromethyl)-1H-pyrazole-4-carboxylate (CAS 1443285-65-1)
- 4-(1-Methyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)benzenethiol (CAS 1434817-93-2)
- Tert-butyl ((2-(difluoromethyl)pyridin-4-yl)methyl)carbamate (CAS 1428532-94-8)
- 1-(4-Chloropyridin-2-yl)ethanol (CAS 121638-26-4)
- 2-(((1-Benzylpyrrolidin-2-yl)methyl)(ethyl)amino)ethanol (CAS 1353986-17-0)
- 1-(3-Fluoro-5-(trifluoromethyl)phenyl)propan-2-one (CAS 1305324-27-9)
- Allisartan Isoproxil Impurity 26 (CAS CATO-C4X-321726)
- 1170101-66-2 5-(4-Aminophenoxy)-2-[2-(methylthio)phenyl]-1H-isoindole-1,3(2H)-dione MFCD02656443 (CAS 1170101-66-2)
- 8-Iodo-7-methylquinazolin-4(3H)-one (CAS 943602-97-9)
- Fragment-[9-31]-Semaglutide (CAS CATO-C4X-2226181)
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