4-Cyano-n-(1-methyl-1h-pyrazol-3-yl)benzenesulfonamide CAS 1178236-74-2
| CAS No. | 1178236-74-2 |
| Molecular Formula | C11H10N4O2S |
| Molecular Weight | 262.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Cyano-n-(1-methyl-1h-pyrazol-3-yl)benzenesulfonamide (CAS 1178236-74-2), a certified reference material (molecular formula C11H10N4O2S, MW 262.29 g/mol) for analytical method development and quality control.
4-Cyano-n-(1-methyl-1h-pyrazol-3-yl)benzenesulfonamide (C11H10N4O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 4-Cyano-n-(1-methyl-1h-pyrazol-3-yl)benzenesulfonamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H10N4O2S |
| Molecular Weight | 262.29 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 6-((3-Nitrobenzyl)thio)pyridazin-3-amine (CAS 121041-55-2)
- S-Morinidazole Glucuronide (CAS 1413431-50-1)
- 9-Chloro-1-methyl-5,6,7,8-tetrahydro-1h-pyrazolo[4,3-b]quinoline (CAS 938001-63-9)
- 2-Chloro-N-cyclooctylacetamide (CAS 379255-43-3)
- 1713160-19-0 4-(2-Fluoro-6-(trifluoromethyl)phenyl)morpholine (CAS 1713160-19-0)
- 1-Bromo-2-(4-iodobutyl)benzene (CAS 926647-28-1)
- Methyl 5-(3-chloro-4-methoxyphenyl)pyridine-3-carboxylate (CAS 1298047-68-3)
- 2-[2-Oxo-2-(pyridin-3-yl)ethyl]-2,3-dihydro-1H-isoindole-1,3-dione (CAS 800402-00-0)
- 3-[5-(furan-2-yl)-7-(trifluoromethyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]propanoic acid (CAS 1018166-13-6)
- 5-(tert-Butoxy)-4-cyclopropoxy-2-nitropyridine (CAS 1243362-88-0)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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