4-Oxo-4-((4-(N-phenethylsulfamoyl)phenyl)amino)butanoic acid CAS 651296-74-1
| CAS No. | 651296-74-1 |
| Molecular Formula | C18H20N2O5S |
| Molecular Weight | 376.43 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.
4-Oxo-4-((4-(N-phenethylsulfamoyl)phenyl)amino)butanoic acid (CAS 651296-74-1) is a high-purity analytical reference standard with the molecular formula C18H20N2O5S and a molecular weight of 376.43 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-Oxo-4-((4-(N-phenethylsulfamoyl)phenyl)amino)butanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 376.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-Oxo-4-((4-(N-phenethylsulfamoyl)phenyl)amino)butanoic 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 | C18H20N2O5S |
| Molecular Weight | 376.43 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-[4-(naphthalene-2-sulfonyl)piperazin-1-yl]-4-oxobutanoic acid (CAS 554442-47-6)
- 5-({[(2,6-dimethylphenyl)carbamoyl]methyl}sulfamoyl)-2-methylbenzoic acid (CAS 794553-84-7)
- 4-(4-{[Benzyl(methyl)amino]sulfonyl}anilino)-4-oxobutanoic acid (CAS 514797-07-0)
- 6-(Triphenylphosphoranylidene)hexanoic acid (CAS 53036-80-9)
- (E)-2-Butenoyl chloride (CAS 625-35-4)
- 2-(3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetohydrazide (CAS 2096335-03-2)
- Ethyl 4-(2-oxo-2H-chromene-3-carbonyl)piperazine-1-carboxylate (CAS 325779-19-9)
- 5-(1,2-Dihydroxyethyl)-2,3,4(5H)-furantrione (CAS 7723-73-1)
- 3-(4-Phenoxyphenyl)-3H-[1,2,3]triazolo[4,5-b]pyridine (CAS 62052-12-4)
- UB 165 Fumarate (CAS 200432-86-6)
- 4-(3,5-Dimethylphenyl)tetrahydro-2h-pyran-4-carboxylic acid (CAS 919017-08-6)
- 3-Chloro-5-cyclopropyl-4-(4-fluorophenyl)-4h-1,2,4-triazole (CAS 1087792-20-8)
- 3-Bromo-4-(3,3-difluoropiperidin-1-yl)nitrobenzene 1707365-50-1 (CAS 1707365-50-1)
- Semaglutide impurity 251 (CAS CATO-C4X-2226251)
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