5-Methoxythiophene-2-sulfonyl chloride CAS 1314904-87-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1314904-87-4 |
| Molecular Formula | C5H5ClO3S2 |
| Molecular Weight | 212.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methoxythiophene-2-sulfonyl chloride (CAS 1314904-87-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5ClO3S2. Molecular weight: 212.67 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5ClO3S2 |
| Molecular Weight | 212.67 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, water |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Methoxythiophene Standards
- 3-Methoxythiophene-2-sulfonyl chloride (CAS 184039-62-1)
- 2-Methoxythiophene-3-sulfonyl chloride (CAS 425426-96-6)
- 3-Methoxythiophene-2-sulfonamide (CAS 1394041-28-1)
- 5-Methoxythiophene-2-sulfonamide (CAS 140646-38-4)
- 4-Methoxythiophene-2-sulfonamide (CAS 142294-60-8)
- Ethyl 4-methoxythiophene-3-carboxylate (CAS 20946-39-8)
- 3-Methoxythiophene-2-carbonyl chloride (CAS 54450-14-5)
- 4-Methoxythiophene-3-carbonyl chloride (CAS 224649-28-9)
Recommended Standards
- 4-Chloro-3-methylphenylacetic acid ethyl ester (CAS 1261475-59-5)
- 4-(5-Chloro-2-methoxyphenyl)butanal (CAS 1340432-04-3)
- 4-(Chloromethyl)phenyl 2-methylpropanoate (CAS 1260854-47-4)
- Ethyl 5-formyl-2-methyl-1h-pyrrole-3-carboxylate (CAS 57061-48-0)
- Methyl 1-amino-4-cyano-8-fluoro-4-phenyl-3,4-dihydronaphthalene-2-carboxylate (CAS 400087-68-5)
- Decylsuccinic Anhydride (CAS 18470-76-3)
- 3-Fluoro-4-(4,4-difluoropiperidin-1-yl)nitrobenzene (CAS 1239876-14-2)
- N-(4-Acetyl-5-(pyridin-2-yl)-4,5-dihydro-1,3,4-thiadiazol-2-yl)acetamide (CAS 62236-02-6)
- 8-Bromo-4,5-dihydrobenzo[2,3]oxepino[4,5-d]thiazole-2-carboxylic acid (CAS 1189815-93-7)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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