N-(3-Chloro-2-quinoxalinyl)-2-(trifluoromethyl)benzenesulfonamide CAS 877964-71-1
| CAS No. | 877964-71-1 |
| Molecular Formula | C15H9ClF3N3O2S |
| Molecular Weight | 387.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of N-(3-Chloro-2-quinoxalinyl)-2-(trifluoromethyl)benzenesulfonamide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies N-(3-Chloro-2-quinoxalinyl)-2-(trifluoromethyl)benzenesulfonamide (CAS 877964-71-1), a certified reference material (molecular formula C15H9ClF3N3O2S, MW 387.76 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H9ClF3N3O2S, N-(3-Chloro-2-quinoxalinyl)-2-(trifluoromethyl)benzenesulfonamide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 387.76 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 N-(3-Chloro-2-quinoxalinyl)-2-(trifluoromethyl)benzenesulfonamide 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 | C15H9ClF3N3O2S |
| Molecular Weight | 387.76 g/mol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related N Standards
- N-(3-Chloro-2-quinoxalinyl)-3-(trifluoromethyl)benzenesulfonamide (CAS 863669-03-8)
- 2-Chloro-4-nitrobenzyl 3-(3-hydroxyquinoxalin-2-yl)propanoate (CAS 831249-87-7)
- 4-(3-(2-Chloro-4-nitrobenzyl)ureido)benzene-1-sulfonyl fluoride (CAS 21322-84-9)
- 5-{[5-chloro-2-(methoxycarbonyl)phenyl]sulfamoyl}-2-fluorobenzoic acid (CAS 949760-08-1)
- 2-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-3a,4,7,7a-tetrahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione (CAS 1005035-64-2)
- 3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)-N-(3-methoxybenzyl)propanamide (CAS 1376308-87-0)
- 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-4-(3-nitropyridin-2-yl)piperazine (CAS 338979-24-1)
- 3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)pyrido[1,2-a]indole-10-carbonitrile (CAS 478247-98-2)
Recommended Standards
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- 7-(4-Chlorobenzyl)-1-(3-hydroxypropyl)-3-methyl-8-(3-(trifluoromethoxy)phenoxy)-3,7-dihydro-1H-purine-2,6-dione (CAS 1628287-16-0)
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- 4-(Difluoromethyl)-2,5-difluoropyridine (CAS 1447671-79-5)
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