3-Methoxythiophene-2-sulfonamide CAS 1394041-28-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1394041-28-1 |
| Molecular Formula | C5H7NO3S2 |
| Molecular Weight | 193.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Methoxythiophene-2-sulfonamide (CAS 1394041-28-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H7NO3S2. Molecular weight: 193.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Methoxythiophene Standards
- 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)
- 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
- Ethyl 2-(3,4-dimethylpyridin-2-yl)acetate (CAS 1393583-80-6)
- 2,3,4,5-Tetrahydro-N-methoxy-1-benzoxepin-5-amine (CAS 1394042-49-9)
- Ethyl 2-(4,6-dimethylpyridin-3-yl)acetate (CAS 1393569-91-9)
- 4-(Heptyloxy)aniline (CAS 39905-44-7)
- 5-Chloro-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[4,3-b]pyridine-3-carbaldehyde (CAS 2072073-10-8)
- 5-Amino-2-chlorobenzyl chloride (CAS 1122052-39-4)
- Phenamacide (hydrochloride) (CAS 31031-74-0)
- 4,6-Dichloro-n-(2-methoxyethyl)-1,3,5-triazin-2-amine (CAS 13807-42-6)
- 2-Bromo-N-(2-methyl-4-nitrophenyl)acetamide (CAS 57339-08-9)
- Semaglutide impurity 29 (CAS 110990-08-4)
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