Ethyl 5-(trifluoromethoxy)benzofuran-2-carboxylate CAS 896732-44-8
| CAS No. | 896732-44-8 |
| Molecular Formula | C12H9F3O4 |
| Molecular Weight | 274.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H9F3O4, Ethyl 5-(trifluoromethoxy)benzofuran-2-carboxylate 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 274.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Ethyl 5-(trifluoromethoxy)benzofuran-2-carboxylate (CAS 896732-44-8), molecular formula C12H9F3O4 and molecular weight 274.19 g/mol, is a CATO reference standard with documented purity and traceability.
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 5-(trifluoromethoxy)benzofuran-2-carboxylate 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 | C12H9F3O4 |
| Molecular Weight | 274.19 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Ethyl Standards
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- (S)-3-(2-(Trifluoromethoxy)benzyl)piperazin-2-one (CAS 1240582-52-8)
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Recommended Standards
- 7-methoxy-3-(2,2,2-trifluoro-1-hydroxyethyl)-4H-chromen-4-one (CAS 2922555-47-1)
- Methyl 2,4-dioxo-4-(4-(trifluoromethyl)phenyl)butanoate (CAS 608537-00-4)
- 6-(4-Nitro-1H-pyrazol-3-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (CAS 482574-67-4)
- Ixazomib Impurity 80 (CAS CATO-C4X-126780)
- 5-(2-Bromoacetyl)-2-chloro-4-methylbenzonitrile (CAS 1375302-43-4)
- (3S,4R)-4-(2-(trifluoromethyl)phenyl)pyrrolidine-3-carboxylic acid hydrochloride (CAS 1049734-61-3)
- n4,n4-Dimethylpyrimidine-2,4,6-triamine (CAS 24867-25-2)
- 3,5-Dibromo-2,6-difluoropyridine (CAS 685517-84-4)
- 2-(5-methyl-1,3-thiazol-2-yl)propan-1-amine (CAS 1017392-90-3)
- 5,8-dimethyl-3,4-dihydro-2H-1-benzopyran-4-one (CAS 21875-91-2)
- (1-(3-Bromo-4-methoxybenzyl)piperidin-3-yl)methanol (CAS 415719-63-0)
- Drospirenone EP Impurity K (CAS 889652-31-7)
- Maytansinol (CAS 57103-68-1)
- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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