(E)-4-((4-(N-(3,5-dimethylphenyl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid CAS 468101-36-2
| CAS No. | 468101-36-2 |
| Molecular Formula | C18H18N2O5S |
| Molecular Weight | 374.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 374.41 g/mol gives (E)-4-((4-(N-(3,5-dimethylphenyl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (E)-4-((4-(N-(3,5-dimethylphenyl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 468101-36-2), a certified reference material (molecular formula C18H18N2O5S, MW 374.41 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H18N2O5S, (E)-4-((4-(N-(3,5-dimethylphenyl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 374.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), (E)-4-((4-(N-(3,5-dimethylphenyl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid 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 | C18H18N2O5S |
| Molecular Weight | 374.41 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- (E)-4-((4-(N-(2,4-dimethylphenyl)sulfamoyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 468099-22-1)
- (R)-2-hydroxy-2-((3aR,5R,6R,6aR)-6-hydroxy-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-5-yl)ethyl 4-methylbenzenesulfonate (CAS 24384-93-8)
- (E)-3-(dimethylamino)-1-(4-nitro-3-((phenylsulfonyl)methyl)phenyl)prop-2-en-1-one (CAS 339276-52-7)
- 1-(3,4-Difluorophenyl)-2-((4-propyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)ethan-1-one (CAS 848340-38-5)
- Methyl 2-acetamido-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (CAS 328023-40-1)
- N-Pentane-d12 (CAS 2031-90-5)
- 2-(Boc-amino)-3-methylbutylamine (CAS 871235-24-4)
- Formoterol Impurity 95 (CAS CATO-C4X-152595)
- (E)-Methyl 3-(3-methoxy-4-(2-methoxy-2-oxoethoxy)phenyl)acrylate (CAS 203726-34-5)
- 4-Amino-2-fluoro-3-(trifluoromethyl)benzonitrile (CAS 1448858-64-7)
- Cyclopentyl(2-methylphenyl)methanone (CAS 7063-66-3)
- 1-(2-Pyridinyl)-4-{[5-(1,2,3-thiadiazol-4-yl)-2-thienyl]sulfonyl}piperazine (CAS 477867-54-2)
- (3S,4R)-4-methylpiperidin-3-ol (CAS 737737-29-0)
- Integrin Binding Peptide trifluoroacetate salt (CAS 278792-07-7)
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