4-(4-Acetamidobenzenesulfonamidomethyl)benzoic acid CAS 65019-55-8
| CAS No. | 65019-55-8 |
| Molecular Formula | C16H16N2O5S |
| Molecular Weight | 348.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H16N2O5S, 4-(4-Acetamidobenzenesulfonamidomethyl)benzoic 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 348.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(4-Acetamidobenzenesulfonamidomethyl)benzoic acid (CAS 65019-55-8), molecular formula C16H16N2O5S and molecular weight 348.37 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.
As a certified reference material (CRM), 4-(4-Acetamidobenzenesulfonamidomethyl)benzoic 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 | C16H16N2O5S |
| Molecular Weight | 348.37 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.) | 1975 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 4-((4-((4-Aminophenyl)sulfonyl)phenyl)amino)-4-oxobutanoic acid (CAS 5934-14-5)
- 4-(4-Acetamidophenylsulfonamido)phenylacetic Acid (CAS 82101-23-3)
- 3',6'-Dihydroxy-3H-spiro[isobenzofuran-1,9'-thioxanthen]-3-one (CAS 94109-78-1)
- 4-Cyano-5-ethyl-3-(2-fluoro-[1,1-biphenyl]-4-yl)-1-methyl-1H-pyrrole-2-carboxylic acid (CAS 851196-32-2)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
- 2-Amino-4-(trifluoromethyl)pyrimidine-5-carboxylic acid (CAS 149771-23-3)
- tert-Butyl 1H,4H,5H,6H-pyrrolo[3,4-d]imidazole-5-carboxylate (CAS 1050886-49-1)
- trans-2,5-Dimethyl-morpholine (CAS 67804-27-7)
- N1-cyclopropyl-N1-(pyridin-4-ylmethyl)ethane-1,2-diamine (CAS 1248731-86-3)
- 1-Cyclohexylbenzodiazole-5-carboxylic acid (CAS 669070-72-8)
- Tert-butyl (s)-(1-(pyridin-2-yl)pyrrolidin-3-yl)carbamate (CAS 884653-76-3)
- 4-Isocyanato-4-phenyltetrahydro-2H-pyran (CAS 941717-02-8)
- 5,7-Dimethyl-1h-indole-3-carbaldehyde (CAS 54102-44-2)
- Semaglutide Impurity 7 (CAS CATO-C4X-22267)
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