4-[[(5-Chloro-2-thienyl)sulfonyl]amino]benzoic acid CAS 329906-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 329906-72-1 |
| Molecular Formula | C11H8ClNO4S2 |
| Molecular Weight | 317.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[[(5-Chloro-2-thienyl)sulfonyl]amino]benzoic acid (CAS 329906-72-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H8ClNO4S2. Molecular weight: 317.77 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H8ClNO4S2 |
| Molecular Weight | 317.77 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-(((2-Chlorothiazol-5-yl)methyl)sulfonyl)benzoic acid (CAS 866039-48-7)
- 4-Chloro-N-(6-morpholinopyridin-3-yl)benzamide (CAS 860650-11-9)
- 3-[(4-chlorophenyl)sulfamoyl]thiophene-2-carboxylic acid (CAS 496051-23-1)
- Ethyl 2-(phenylsulfonyl)acetate (CAS 7605-30-3)
- 2,5-Dimethoxyphenethyl ethyl oxalate (CAS 1443314-39-3)
- methyl 3-methylphenanthrene-9-carboxylate (CAS 67800-34-4)
- (4-Methoxy-3,5-dimethylphenyl)methanol (CAS 83037-98-3)
- 5-Chloro-4-methylnicotinonitrile (CAS 890092-50-9)
- 3-Fluoro-4-(thiazolidin-3-yl)benzaldehyde (CAS 1774893-70-7)
- Peptide Impurity 26 (CAS 1350456-66-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com