ethyl 4-oxo-7-(trifluoromethyl)chromene-2-carboxylate CAS 2530127-55-8
| CAS No. | 2530127-55-8 |
| Molecular Formula | C13H17F3O4 |
| Molecular Weight | 294.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 294.27 g/mol gives ethyl 4-oxo-7-(trifluoromethyl)chromene-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
ethyl 4-oxo-7-(trifluoromethyl)chromene-2-carboxylate (CAS 2530127-55-8) is a high-purity analytical reference standard with the molecular formula C13H17F3O4 and a molecular weight of 294.27 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, ethyl 4-oxo-7-(trifluoromethyl)chromene-2-carboxylate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 294.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 4-oxo-7-(trifluoromethyl)chromene-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 | C13H17F3O4 |
| Molecular Weight | 294.27 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2001 |
| Halogen Content | F-containing |
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