3-(2,5-Dichlorobenzenesulfonamido)benzoic acid CAS 88522-30-9
| CAS No. | 88522-30-9 |
| Molecular Formula | C13H9Cl2NO4S |
| Molecular Weight | 346.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(2,5-Dichlorobenzenesulfonamido)benzoic acid.
CATO supplies 3-(2,5-Dichlorobenzenesulfonamido)benzoic acid (CAS 88522-30-9), a certified reference material (molecular formula C13H9Cl2NO4S, MW 346.19 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H9Cl2NO4S, 3-(2,5-Dichlorobenzenesulfonamido)benzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 346.19 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H9Cl2NO4S |
| Molecular Weight | 346.19 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.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dichlorobenzenesulfonamido Standards
- 2-(3,4-Dichlorobenzenesulfonamido)benzoic acid (CAS 96460-18-3)
- 3-(3,4-Dichlorobenzenesulfonamido)benzoic acid (CAS 380432-28-0)
- 4-(2,5-Dichlorobenzenesulfonamido)benzoic acid (CAS 88522-31-0)
- 4-(3,4-Dichlorobenzenesulfonamido)benzoic acid (CAS 328106-71-4)
- 2-(2,6-Dichlorobenzenesulfonamido)-4-methylpentanoic acid (CAS 1009003-67-1)
- 2-(2,6-Dichlorobenzenesulfonamido)-4-(methylsulfanyl)butanoic acid (CAS 1009262-71-8)
- 2-[4-(2,6-dichlorobenzenesulfonamido)phenyl]acetic acid (CAS 794584-42-2)
- 2-[4-(3,4-dichlorobenzenesulfonamido)phenyl]acetic acid (CAS 749896-75-1)
Recommended Standards
- 3-((2,6-Dichlorophenyl)sulfonamido)benzoic acid (CAS 613658-25-6)
- 2-Chloro-5-[(4-chlorophenyl)sulfamoyl]benzoic acid (CAS 312274-91-2)
- 3-(Perfluorobutyl)propanyl methacrylate (CAS 243842-15-1)
- 4-((2,6-Dichlorophenyl)sulfonamido)benzoic acid (CAS 613658-26-7)
- 2-Amino-4-chlorobiphenyl (CAS 90-48-2)
- 2-pyrrolo[2,1-f][1,2,4]triazin-7-ylacetic acid (CAS 1545329-89-2)
- Desmedipham (CAS 13684-56-5)
- 3-(2H-chromen-3-yl)-1,2,4-oxadiazol-5-amine (CAS 1269533-61-0)
- 2-Chloro-1-{1,4-dioxa-8-azaspiro[4.5]decan-8-yl}ethan-1-one (CAS 158890-29-0)
- 7-Bromo-8-chloro-1,2,3,4-tetrahydroisoquinoline (CAS 1782330-44-2)
- N-((1-(2-Hydroxyethyl)piperidin-2-yl)methyl)-N-isopropylacetamide (CAS 1353973-37-1)
- (1R,2S)-rel-2-(4-Methoxyphenyl)cyclopentanol (CAS 38805-74-2)
- N-Nitroso Olanzapine EP Impurity C (CAS CATO-C4X-117852)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
Why CATO?
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