4-Chloro-3-{[(2,3-dimethylphenyl)amino]sulfonyl}benzoic acid CAS 884990-43-6
| CAS No. | 884990-43-6 |
| Molecular Formula | C15H14ClNO4S |
| Molecular Weight | 339.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Chloro-3-{[(2,3-dimethylphenyl)amino]sulfonyl}benzoic acid (CAS 884990-43-6), molecular formula C15H14ClNO4S and molecular weight 339.79 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Chloro-3-{[(2,3-dimethylphenyl)amino]sulfonyl}benzoic acid (C15H14ClNO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 339.79 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 4-Chloro-3-{[(2,3-dimethylphenyl)amino]sulfonyl}benzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H14ClNO4S |
| Molecular Weight | 339.79 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; 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-4-(2-N,N-dimethylsulfamoylphenyl)benzoic acid (CAS 1261939-26-7)
- 2-((3-Chloro-4-methoxyphenyl)amino)-2-oxoethyl 3-methylthiophene-2-carboxylate (CAS 387853-87-4)
- 2-Chloro-4-methanesulfonyl-N-(4-methoxyphenyl)benzamide (CAS 866143-05-7)
- 2-Chloro-5-(N-(3,4-dimethylphenyl)sulfamoyl)benzoic acid (CAS 327106-17-2)
- 2-Chloro-5-[ethyl(phenyl)sulfamoyl]benzoic acid (CAS 406927-75-1)
- 3-((4'-Chloro-[1,1'-biphenyl])-4-sulfonamido)propanoic acid (CAS 885269-40-9)
- 4-Chloro-3-(n-(2,5-dimethylphenyl)sulfamoyl)benzoic acid (CAS 713083-74-0)
- 4-Chloro-3-(n-(3,4-dimethylphenyl)sulfamoyl)benzoic acid (CAS 701252-29-1)
Recommended Standards
- 4-Chloro-3-{[(2,4-dimethylphenyl)amino]sulfonyl}benzoic acid (CAS 701260-18-6)
- 4-Chloro-N,N-bis(2-hydroxyethyl)-2,5-dimethoxybenzenesulfonamide (CAS 942772-07-8)
- 4-{[(3-Chlorophenyl)(methylsulfonyl)amino]methyl}benzoic acid (CAS 359409-85-1)
- 5-(Benzyl-methyl-sulfamoyl)-2-chloro-benzoic acid (CAS 380193-44-2)
- Ethyl 4-chloro-2-morpholinopyrimidine-5-carboxylate (CAS 34750-23-7)
- 2-(methylamino)-N-[5-(2-methylpropyl)-1,3,4-thiadiazol-2-yl]acetamide dihydrochloride (CAS 1803600-87-4)
- 2,4-Dichloro-N-(4-((2-chlorophenyl)thio)phenyl)benzamide (CAS 339105-24-7)
- Furazolidone Impurity 8 (CAS CATO-C4X-29018)
- Dimethyl 3-(Nitromethyl)pentanedioate (CAS 121218-70-0)
- 4-Amino-n-(2-methylphenyl)benzene-1-sulfonamide (CAS 16803-96-6)
- Methyl 7-chloro-5-methylthieno[3,2-b]pyridine-3-carboxylate (CAS 2573798-40-8)
- Zanubrutinib (CAS 1691249-45-2)
- 4-Bromo-3-chloro-2-(2-methylpropoxy)pyridine (CAS 1881291-05-9)
- Peptide 440 (CAS CATO-CPTD788440)
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