4-[(benzenesulfonyl)methyl]benzoic acid CAS 71964-92-6
| CAS No. | 71964-92-6 |
| Molecular Formula | C14H12O4S |
| Molecular Weight | 276.31 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-[(benzenesulfonyl)methyl]benzoic acid (CAS 71964-92-6), molecular formula C14H12O4S and molecular weight 276.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C14H12O4S, 4-[(benzenesulfonyl)methyl]benzoic acid contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 276.31 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).
As a certified reference material (CRM), 4-[(benzenesulfonyl)methyl]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 | C14H12O4S |
| Molecular Weight | 276.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1977 |
| Sulfur Atoms | 1 |
Related benzenesulfonyl Standards
- 142730-34-5 3-[(benzenesulfonyl)methyl]benzoic acid Z228114630 (CAS 142730-34-5)
- 2-[(benzenesulfonyl)methyl]benzoic acid (CAS 300396-14-9)
- 1-(benzenesulfonyl)-3-bromopropan-2-one (CAS 60156-13-0)
- 3-(Benzenesulfonyl)-1,4,6-trimethyl-1,2-dihydropyridin-2-one (CAS 344278-75-7)
- 5-[(benzenesulfonyl)methyl]-2-chloro-1,3-thiazole (CAS 320423-60-7)
- 7-(benzenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 1279872-89-7)
- 5-(Benzenesulfonyl)-2-(dimethylamino)pyrimidin-4-ol (CAS 106073-44-3)
- 1-(Benzenesulfonyl)-1H-indol-2-ol (CAS 1881327-89-4)
Recommended Standards
- 4'-(Methylsulfonyl)-[1,1'-biphenyl]-3-carboxylic acid (CAS 893736-70-4)
- 4-Formylphenyl phenylmethanesulfonate (CAS 62162-76-9)
- 4'-(Methylsulfonyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 893736-90-8)
- 4-Oxo-4-((4-phenylthiazol-2-yl)amino)butanoic acid (CAS 71576-04-0)
- Methyl 6-(dibromomethyl)nicotinate (CAS 1001200-43-6)
- 1-Propionyl-1,2,5,6-tetrahydropyridine-3-carboxylic acid (CAS 1373247-61-0)
- 8-Bromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS 1640125-13-8)
- 3-{[(2-Mercapto-4-oxo-4,5-dihydro-1,3-thiazol-5-yl)acetyl]amino}benzoic acid (CAS 1142206-96-9)
- Ethyl 2-(2-((4-fluorobenzyl)thio)-4,5-diphenyl-1H-imidazol-1-yl)acetate (CAS 339277-66-6)
- 2-(2-Bromoacetyl)-5-fluorobenzonitrile (CAS 1427363-75-4)
- 6-(Trifluoromethyl)quinoline-4-carboxylic acid (CAS 1092288-36-2)
- 5-(5-Bromothiophen-2-yl)cyclohexane-1,3-dione (CAS 1215652-10-0)
- 2,3-Dichloro-2-methylbutane (CAS 507-45-9)
- GnRH Associated Peptide (GAP) (1-13), human (CAS 100111-07-7)
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