4-Chloro-2-(4-methylbenzenesulfonamido)benzoic acid CAS 31100-24-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31100-24-0 |
| Molecular Formula | C14H12ClNO4S |
| Molecular Weight | 325.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-(4-methylbenzenesulfonamido)benzoic acid (CAS 31100-24-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H12ClNO4S. Molecular weight: 325.77 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H12ClNO4S |
| Molecular Weight | 325.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-(1-(4-Chlorophenyl)-1-(4-fluorophenyl)but-3-yn-1-yl)-4H-1,2,4-triazole (CAS 88557-58-8)
- 4-Chloro-3-(n-(m-tolyl)sulfamoyl)benzoic acid (CAS 717876-98-7)
- 4-(((3-Chlorophenyl)sulfonamido)methyl)benzoic acid (CAS 690645-98-8)
- 4-methoxycarbonyl-1H-pyrazolo[3,4-b]pyridine-6-carboxylic acid (CAS 2092481-88-2)
- 4,5-Dichloro-1,2,3-dithiazol-1-ium chloride (CAS 75318-43-3)
- 7-Methoxy-6-nitroquinazolin-4-amine (CAS 1363151-52-3)
- 1-tert-Butyl 2-(4-chlorophenyl)methyl pyrrole-1,2-dicarboxylate (CAS 1951439-48-7)
- 3-Amino-1-(2,2-dimethylthiomorpholino)propan-1-one (CAS 1595718-90-3)
- 4-(Benzenesulfonyl)-6-(ethanesulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 866051-05-0)
- Semaglutide impurity 29 (CAS 110990-08-4)
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