Ethyl 2-oxo-2-(3-(trifluoromethoxy)phenyl)acetate CAS 642447-55-0
| CAS No. | 642447-55-0 |
| Molecular Formula | C11H9F3O4 |
| Molecular Weight | 262.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Ethyl 2-oxo-2-(3-(trifluoromethoxy)phenyl)acetate is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Ethyl 2-oxo-2-(3-(trifluoromethoxy)phenyl)acetate (CAS 642447-55-0), molecular formula C11H9F3O4 and molecular weight 262.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H9F3O4, Ethyl 2-oxo-2-(3-(trifluoromethoxy)phenyl)acetate contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 262.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Ethyl 2-oxo-2-(3-(trifluoromethoxy)phenyl)acetate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H9F3O4 |
| Molecular Weight | 262.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 methanol, ethanol, 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | F-containing |
Recommended Standards
- Ethyl 2-oxo-2-(2-(trifluoromethoxy)phenyl)acetate (CAS 334778-37-9)
- Ethyl 2-oxo-2-(4-(trifluoromethoxy)phenyl)acetate (CAS 642459-94-7)
- Dimethyl 5-(trifluoromethyl)benzene-1,3-dicarboxylate (CAS 868286-79-7)
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- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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