333435-04-4 4-(5-Chlorocarbonyl-furan-2-yl)-benzoic acid ethyl ester ethyl 4-(5-chlorocarbonyl-2-furyl)benzoate ethyl 4-[5-(chlorocarbonyl)furan-2-yl]benzoate CAS 333435-04-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 333435-04-4 |
| Molecular Formula | C14H11ClO4 |
| Molecular Weight | 278.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
333435-04-4 4-(5-Chlorocarbonyl-furan-2-yl)-benzoic acid ethyl ester ethyl 4-(5-chlorocarbonyl-2-furyl)benzoate ethyl 4-[5-(chlorocarbonyl)furan-2-yl]benzoate (CAS 333435-04-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H11ClO4. Molecular weight: 278.69 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H11ClO4 |
| Molecular Weight | 278.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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.) | 2025 |
| Halogen Content | Cl-containing |
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- Semaglutide impurity 108 (CAS CATO-C4X-2226108)
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