1-[(2,6-Dichlorophenyl)methyl]-4-(4-fluorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one CAS 317833-38-8
| CAS No. | 317833-38-8 |
| Molecular Formula | C23H17Cl2FN2O2 |
| Molecular Weight | 443.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 443.30 g/mol gives 1-[(2,6-Dichlorophenyl)methyl]-4-(4-fluorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-[(2,6-Dichlorophenyl)methyl]-4-(4-fluorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317833-38-8), molecular formula C23H17Cl2FN2O2 and molecular weight 443.30 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-[(2,6-Dichlorophenyl)methyl]-4-(4-fluorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (C23H17Cl2FN2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 443.30 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 1-[(2,6-Dichlorophenyl)methyl]-4-(4-fluorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H17Cl2FN2O2 |
| Molecular Weight | 443.30 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorophenyl Standards
- 1-[(2,4-Dichlorophenyl)methyl]-4-(4-fluorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317833-35-5)
- 4-(4-(2,4-Dichlorophenyl)thiazol-2-yl)-N-(4-fluorophenyl)benzamide (CAS 321430-04-0)
- (2E)-1-{3-[(2,4-dichlorophenyl)methoxy]phenyl}-3-[(3-nitrophenyl)amino]prop-2-en-1-one (CAS 478040-35-6)
- N-(2,5-Dichlorophenyl)-4-((2,6-dimethylmorpholino)sulfonyl)benzamide (CAS 325746-12-1)
- 6-(2,6-Dichlorophenyl)-8-methyl-2-((3-(methylthio)phenyl)amino)pyrido[2,3-d]pyrimidin-7(8H)-one (CAS 260415-63-2)
- 3-({[(2,6-dichlorophenyl)methyl]sulfanyl}methyl)-4-ethyl-5-{[(4-fluorophenyl)methyl]sulfanyl}-4H-1,2,4-triazole (CAS 344273-75-2)
- N-(2,5-Dichlorophenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 335399-74-1)
- N-(3,4-Dichlorophenyl)-2-((3-ethyl-5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 618427-83-1)
Recommended Standards
- 1-[(2-Chloro-6-fluorophenyl)methyl]-4-(4-chlorobenzoyl)-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317822-31-4)
- 1-(4-((2-(4-Iodophenoxy)thiazol-5-yl)methyl)piperazin-1-yl)ethan-1-one (CAS 866020-50-0)
- 7,9-Dichloro-5-(4-fluorophenyl)-2-(4-methoxyphenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303061-35-0)
- 1-(3,4-Dichlorobenzyl)-4-(4-fluorobenzoyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 317833-40-2)
- Prochloraz metabolite 6 (CAS 139520-96-0)
- 4-(1H-Tetrazol-5-yl)benzoic Acid (CAS 34114-12-0)
- 3-Chloro-2-(nitromethyl)-5-(trifluoromethyl)pyridine (CAS 790229-60-6)
- 5,7-Dimethoxy-1H-indole-2-carboxylic acid (CAS 27508-88-9)
- trans-N1-[3-[2-[[(3-Chlorophenyl)methyl]amino]-4-pyrimidinyl]-1H-pyrazolo[3,4-d]pyrimidin-6-yl]-1,4-cyclohexanediamine HCl (CAS 1386398-50-0)
- 2-(4-Bromophenyl)oxirane (CAS 32017-76-8)
- 2-(5,6-Dimethyl-1H-benzo[d]imidazol-2-yl)ethan-1-amine hydrochloride (CAS 1185294-80-7)
- 1,2-Bis(phenylsulfinyl)ethane (CAS 6099-21-4)
- Perflubron (0.5 mL) (CAS 423-55-2)
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