4-(4-fluorobenzoyl)-1-(4-fluorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one CAS 1007920-86-6
| CAS No. | 1007920-86-6 |
| Molecular Formula | C23H18F2N2O2 |
| Molecular Weight | 392.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 4-(4-fluorobenzoyl)-1-(4-fluorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 1007920-86-6), a certified reference material (molecular formula C23H18F2N2O2, MW 392.40 g/mol) for analytical method development and quality control.
Based on its molecular formula C23H18F2N2O2, 4-(4-fluorobenzoyl)-1-(4-fluorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one 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 392.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C23H18F2N2O2 |
| Molecular Weight | 392.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related fluorobenzoyl Standards
- 4-(4-Fluorobenzoyl)-1-(2-fluorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 317833-43-5)
- 3-[1-(2-Fluorobenzoyl)piperidin-4-yl]-4-[(4-methylphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775505-40-2)
- 3-[1-(3-Fluorobenzoyl)piperidin-4-yl]-4-[(4-methylphenyl)methyl]-4,5-dihydro-1H-1,2,4-triazol-5-one (CAS 1775558-49-0)
- 4-(4-Fluorobenzoyl)-N-(3-(trifluoromethyl)benzyl)-1H-pyrrole-2-carboxamide (CAS 478078-85-2)
- N-((1-(2-Fluorobenzoyl)piperidin-4-yl)methyl)benzo[d]thiazole-2-carboxamide (CAS 1235011-27-4)
- 3-[4-(2-Fluorobenzoyl)-1-methyl-1H-pyrrol-2-yl]-2-[3-(trifluoromethyl)phenyl]-2-propenenitrile (CAS 885951-46-2)
- (E)-4-(4-(4-fluorobenzoyl)piperazin-1-yl)-3-nitrobenzaldehyde O-methyl oxime (CAS 383147-15-7)
- 8-Benzyl-4-(2-fluorobenzoyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid (CAS 1214080-51-9)
Recommended Standards
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