5-(3-Ethoxyphenyl)thiophene-2-sulfonic acid CAS 1416438-59-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1416438-59-9 |
| Molecular Formula | C12H12O4S2 |
| Molecular Weight | 284.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(3-Ethoxyphenyl)thiophene-2-sulfonic acid (CAS 1416438-59-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H12O4S2. Molecular weight: 284.35 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H12O4S2 |
| Molecular Weight | 284.35 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- cis-N1-(2-(5-Chloro-2,4-dimethoxyphenyl)imidazo[1,2-a]pyridin-7-yl)-N4-(4-nitrobenzyl)cyclohexane-1,4-diamine (CAS 2093401-33-1)
- 2-Azaspiro[4.5]decan-8-one (CAS 1508836-95-0)
- 6-Hydroxy Penicillanic acid (CAS CATO-C4X-175626)
- (1S,4s)-4-(4-amino-1H-pyrazol-1-yl)cyclohexan-1-ol (CAS 1426921-50-7)
- Chromane-8-sulfonamide (CAS 89836-55-5)
- 5-Amino-2,3-dihydro-1h-inden-2-yl methanesulfonate (CAS 1701450-93-2)
- Semaglutide impurity 92 (CAS CATO-C4X-222692)
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