N-[4-[N-(3-Chloro-2-quinoxalinyl)sulfamoyl]phenyl]acetamide CAS 4029-42-9
| CAS No. | 4029-42-9 |
| Molecular Formula | C16H13ClN4O3S |
| Molecular Weight | 376.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, N-[4-[N-(3-Chloro-2-quinoxalinyl)sulfamoyl]phenyl]acetamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 376.82 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
N-[4-[N-(3-Chloro-2-quinoxalinyl)sulfamoyl]phenyl]acetamide (CAS 4029-42-9), molecular formula C16H13ClN4O3S and molecular weight 376.82 g/mol, is a CATO reference standard with documented purity and traceability.
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-[4-[N-(3-Chloro-2-quinoxalinyl)sulfamoyl]phenyl]acetamide 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 | C16H13ClN4O3S |
| Molecular Weight | 376.82 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
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- 1-(2-Pyridinyl)-4-{[5-(1,2,3-thiadiazol-4-yl)-2-thienyl]sulfonyl}piperazine (CAS 477867-54-2)
- 3-(2-Chloro-4-fluorophenyl)-4-methyl-1h-pyrazol-5-amine (CAS 1187767-10-7)
- 6-Iodo-3-methylbenzo[d]oxazol-2(3H)-one (CAS 139487-06-2)
- (S)-4-methyl-4-(trichloromethyl)oxetan-2-one (CAS 93206-60-1)
- (Leu31,Pro34)-Peptide YY (human) trifluoroacetate salt (CAS 179986-95-9)
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