4-Cyano-n-(3-ethynylphenyl)benzene-1-sulfonamide CAS 208943-22-0
| CAS No. | 208943-22-0 |
| Molecular Formula | C15H10N2O2S |
| Molecular Weight | 282.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 4-Cyano-n-(3-ethynylphenyl)benzene-1-sulfonamide (CAS 208943-22-0), a certified reference material (molecular formula C15H10N2O2S, MW 282.32 g/mol) for analytical method development and quality control.
Structurally, 4-Cyano-n-(3-ethynylphenyl)benzene-1-sulfonamide (C15H10N2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 282.32 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 4-Cyano-n-(3-ethynylphenyl)benzene-1-sulfonamide 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 | C15H10N2O2S |
| Molecular Weight | 282.32 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cyano Standards
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- N-(3-cyano-4-(methylthio)phenyl)-2-methylbenzamide (CAS 306980-87-0)
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Recommended Standards
- 4-Azido-2-phenylmethanesulfinylbenzonitrile (CAS 496927-07-2)
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- 5-(Piperazin-1-ylsulfonyl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 900641-20-5)
- 4-(Prop-2-ynylamino)-N-(pyridin-3-ylmethyl)benzamide (CAS 1258400-21-3)
- 3-(Triethylsilyl)propiolic acid (CAS 17865-01-9)
- 2-{[(tert-butoxy)carbonyl](propan-2-yl)amino}acetic acid (CAS 154509-63-4)
- 7,14-Diphenylacenaphtho[1,2-k]fluoranthene (CAS 7229-88-1)
- 3-Ethoxy-1-phenylprop-2-en-1-one (CAS 31172-40-4)
- 2-(3-Methoxyphenyl)-3-oxoisoindoline-4-carboxylic acid (CAS 728887-95-4)
- 4-Bromo-L-tryptophan (CAS 52448-16-5)
- 2-(Chloromethyl)-5-(2,3-dichlorophenyl)pyrimidine (CAS 1361862-61-4)
- 2,3-Dibromo-4-(difluoromethoxy)phenol (CAS 1805473-36-2)
- Semaglutide impurity 260 (CAS CATO-C4X-2226260)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com