| CAS No. | 1007998-55-1 |
| Molecular Formula | C26H22F3N3O4 |
| Molecular Weight | 497.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 497.47 g/mol gives 2-(1-(4-Ethoxybenzoyl)-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(3-(trifluoromethyl)phenyl)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-(1-(4-Ethoxybenzoyl)-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(3-(trifluoromethyl)phenyl)acetamide (CAS 1007998-55-1), a certified reference material (molecular formula C26H22F3N3O4, MW 497.47 g/mol) for analytical method development and quality control.
Based on its molecular formula C26H22F3N3O4, 2-(1-(4-Ethoxybenzoyl)-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)-N-(3-(trifluoromethyl)phenyl)acetamide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 497.47 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C26H22F3N3O4 |
| Molecular Weight | 497.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |