4-(4-Chlorobenzoyl)-1-(2,6-dichlorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one CAS 317822-30-3
| CAS No. | 317822-30-3 |
| Molecular Formula | C23H17Cl3N2O2 |
| Molecular Weight | 459.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(4-Chlorobenzoyl)-1-(2,6-dichlorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one.
4-(4-Chlorobenzoyl)-1-(2,6-dichlorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 317822-30-3) is a high-purity analytical reference standard with the molecular formula C23H17Cl3N2O2 and a molecular weight of 459.75 g/mol.
Structurally, 4-(4-Chlorobenzoyl)-1-(2,6-dichlorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (C23H17Cl3N2O2) 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 459.75 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.
CATO manufactures 4-(4-Chlorobenzoyl)-1-(2,6-dichlorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-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 | C23H17Cl3N2O2 |
| Molecular Weight | 459.75 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 Chlorobenzoyl Standards
- 4-(4-Chlorobenzoyl)-1-(2,4-dichlorobenzyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 317822-45-0)
- 4-(4-Chlorobenzoyl)-1-[(3,4-dichlorophenyl)methyl]-3-methyl-1,2,3,4-tetrahydroquinoxalin-2-one (CAS 317822-29-0)
- (Z)-3-(((4-chlorobenzoyl)oxy)imino)-1-(2,4-dichlorobenzyl)indolin-2-one (CAS 320419-58-7)
- 4-(4-Chlorobenzoyl)-3-methyl-1-(4-(trifluoromethyl)benzyl)-3,4-dihydroquinoxalin-2(1H)-one (CAS 317822-28-9)
- 5-(4-Chlorobenzoyl)-6-(3,4-dimethoxyphenyl)-4-hydroxy-4-(trifluoromethyl)tetrahydropyrimidin-2(1H)-one (CAS 623936-46-9)
- 5-(4-Chlorobenzoyl)-6-(3-ethoxy-4-hydroxyphenyl)-4-hydroxy-4-(trifluoromethyl)tetrahydropyrimidin-2(1H)-one (CAS 474005-43-1)
- 2-(4-Chlorobenzoyl)-3-[({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)methyl]-1-benzofuran (CAS 400082-36-2)
- [2-[[3-(2-Chlorobenzoyl)-5-ethyl-2-thienyl]amino]-2-oxoethyl]carbamic Acid Benzyl Ester (CAS 50508-73-1)
Recommended Standards
- 2-(3,4-Dimethoxyphenyl)-1,3-bis(4-methoxybenzyl)imidazolidine (CAS 5428-36-4)
- 7,9-Dichloro-5-(4-chlorophenyl)-2-(4-methoxyphenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303061-38-3)
- 1,2,3,4,6,7,8,9-Octachlorodibenzo-p-dioxin (CAS 3268-87-9)
- 9-Chloro-5-(2,4-dichlorophenyl)-2-(4-methoxyphenyl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303059-64-5)
- Entecavir (CAS 142217-69-4)
- Methyl (S)-2-amino-3-(2-phenylpyrimidin-5-yl)propanoate (CAS 2387559-70-6)
- (2-Oxa-6-azaspiro[3.4]octan-8-yl)methanol (CAS 2028341-90-2)
- 4-Bromo-2-methoxy-3-methylpyridine (CAS 112197-12-3)
- N-(4-benzhydrylpiperazine-1-carbonothioyl)-2,6-difluorobenzamide (CAS 1023494-95-2)
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- 5-(Trifluoromethyl)-2-(3-(trifluoromethyl)phenyl)-2H-1,2,3-triazole-4-carboxylic acid (CAS 1708400-66-1)
- 6-Amino-1,3-dimethyl-3,4-dihydro-1H-quinolin-2-one (CAS 1267973-48-7)
- Des-Trp25-Tirzepatide (CAS CATO-CPTD788948)
Why CATO?
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