5-Methoxythiophene-2-sulfonamide CAS 140646-38-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 140646-38-4 |
| Molecular Formula | C5H7NO3S2 |
| Molecular Weight | 193.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Methoxythiophene-2-sulfonamide (CAS 140646-38-4) pharmaceutical standards reference standard. Molecular formula: C5H7NO3S2. Molecular weight: 193.24 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H7NO3S2 |
| Molecular Weight | 193.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methoxythiophene Standards
- 3-Methoxythiophene-2-sulfonamide (CAS 1394041-28-1)
- 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)
- 5-Methoxythiophene-2-sulfonyl chloride (CAS 1314904-87-4)
- 3-Methoxythiophene-2-sulfonyl chloride (CAS 184039-62-1)
- 2-Methoxythiophene-3-sulfonyl chloride (CAS 425426-96-6)
Recommended Standards
- 5-Amino-2-(tert-butyl)benzoic acid (CAS 14034-91-4)
- Methyl (1-phenylpropyl)carbamate (CAS 141178-32-7)
- N-benzyl-2-methoxy-N-methylacetamide (CAS 139765-14-3)
- Chlorzoxazone USP Related Compound A (CAS 95-85-2)
- CTX1 (CAS 501935-96-2)
- MS-PEG10-THP (CAS 42607-91-0)
- 3-(4-Fluorophenyl)-5-(p-tolyl)-4,5-dihydro-1H-pyrazole-1-carboxamide (CAS 885269-86-3)
- 5-Bromo-2-(methylsulfanyl)pyrimidin-4-amine (CAS 98024-93-2)
- 2-Amino-4-(methylthio)butan-1-ol oxalate (CAS 91983-33-4)
- Protein Kinase C (alpha) Peptide (CAS 159939-84-1)
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