3-Chloro-4-(isopropylsulfonyl)thiophene-2-carboxylic acid CAS 175202-26-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 175202-26-3 |
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-4-(isopropylsulfonyl)thiophene-2-carboxylic acid (CAS 175202-26-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H9ClO4S2. Molecular weight: 268.74 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H9ClO4S2 |
| Molecular Weight | 268.74 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
- 1-Chloro-2,4-dimethanesulfonylbenzene (CAS 17481-98-0)
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- 4-Bromo-2-cyano-5-nitrobenzenesulfonyl chloride (CAS 1807170-77-9)
- 4-[6-(4-Methyl-piperazin-1-yl)-5-trifluoromethyl-pyridin-3-yl]-benzoic acid 4-chloro-phenyl ester (CAS 1311279-90-9)
- N-(4-(5-Methoxybenzofuran-2-yl)thiazol-2-yl)propionamide (CAS 922106-82-9)
- Ethyl 6-fluoro-4-hydroxy-8-(trifluoromethyl)quinoline-3-carboxylate (CAS 1065102-32-0)
- tert-Butyl N-methyl-N-((S)-pyrrolidine-3-carbonyl)-L-valinate (CAS 2641451-54-7)
- [Ser39-OH] Tirzepatide (CAS CATO-C4X-324041)
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