1-(2,6-Dichlorobenzyl)-3-methyl-4-(4-methylbenzoyl)-3,4-dihydroquinoxalin-2(1H)-one CAS 317822-42-7
| CAS No. | 317822-42-7 |
| Molecular Formula | C24H20Cl2N2O2 |
| Molecular Weight | 439.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 439.33 g/mol gives 1-(2,6-Dichlorobenzyl)-3-methyl-4-(4-methylbenzoyl)-3,4-dihydroquinoxalin-2(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(2,6-Dichlorobenzyl)-3-methyl-4-(4-methylbenzoyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 317822-42-7), a certified reference material (molecular formula C24H20Cl2N2O2, MW 439.33 g/mol) for analytical method development and quality control.
Structurally, 1-(2,6-Dichlorobenzyl)-3-methyl-4-(4-methylbenzoyl)-3,4-dihydroquinoxalin-2(1H)-one (C24H20Cl2N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, 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 439.33 g/mol, it falls into the moderately-high-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C24H20Cl2N2O2 |
| Molecular Weight | 439.33 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 | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorobenzyl Standards
- 3-(2,4-Dichlorobenzyl)-4-hydroxy-1-(2-(naphthalen-1-ylamino)ethyl)pyridin-2(1H)-one (CAS 478063-83-1)
- 2-((2,6-Dichlorobenzyl)thio)-5-methoxy-4-((4-methoxyphenyl)thio)pyrimidine (CAS 338955-92-3)
- 3-((3,4-Dichlorobenzyl)thio)-1-(p-tolyl)-5,6,7,8-tetrahydroisoquinoline-4-carbonitrile (CAS 607696-36-6)
- (Z)-2-(4-(3-(2,6-dichlorobenzyl)-2-methyl-4-oxopyridin-1(4H)-yl)phenyl)-3-(dimethylamino)acrylonitrile (CAS 400074-55-7)
- 3-((2,6-Dichlorobenzyl)sulfonyl)-N-(p-tolyl)thiophene-2-carboxamide (CAS 251097-78-6)
- N-(4-((2,4-dichlorobenzyl)thio)phenyl)-2-((1-methyl-1H-tetrazol-5-yl)thio)acetamide (CAS 303091-89-6)
- 3-(((2,4-Dichlorobenzyl)sulfinyl)methyl)-4-methyl-5-((4-methylbenzyl)thio)-4H-1,2,4-triazole (CAS 344272-10-2)
- 1-(2,4-Dichlorobenzyl)-6-oxo-N-(3-(trifluoromethyl)phenyl)-1,6-dihydropyridine-3-carboxamide (CAS 242797-39-3)
Recommended Standards
- 5-(((6-(4-Bromophenyl)pyridazin-3-yl)thio)methyl)-3-(p-tolyl)-1,2,4-oxadiazole (CAS 1115285-50-1)
- 1-[(3,4-Dichlorophenyl)methyl]-3,4-bis(4-methoxyphenyl)-1H-pyrazole (CAS 956756-11-9)
- 3-(2-Bromophenyl)-5-(((6-(p-tolyl)pyridazin-3-yl)thio)methyl)-1,2,4-oxadiazole (CAS 1114944-96-5)
- 2-(4-Benzoylphenyl)-2-(2,4-dichlorophenyl)-N-[(1E)-(dimethylamino)methylidene]acetamide (CAS 338965-62-1)
- Suberyl Chloride (CAS 10027-07-3)
- 4-((4-Bromobenzyl)sulfonyl)morpholine (CAS 950255-96-6)
- Methyl 2-((4-formyl-1-methyl-3-phenyl-1H-pyrazol-5-yl)thio)benzoate (CAS 321538-23-2)
- (R)-4-(1-(3-Acetamidopropoxy)-2-aminoethyl)-2,6-dibromophenyl hydrogen sulfate (CAS 1374875-85-0)
- 6-Chloropyridine-3-carbohydrazide (CAS 168893-66-1)
- 6-Amino-7-fluoro-3,4-dihydro-2(1H)-Isoquinolinecarboxylic Acid 1,1-Dimethylethyl Ester (CAS 912846-68-5)
- N-cyclohexyl-4-methyl-1,2,3-thiadiazole-5-carboxamide (CAS 69635-98-9)
- 2-Isocyanato-1-methoxy-4-nitrobenzene 2-Methoxy-5-nitrophenyl isocyanate 59741-17-2 (CAS 59741-17-2)
- 3-Iodo-2-hydroxy-6-(trifluoromethyl)pyridine (CAS 1206597-55-8)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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