2-(Thiophene-2-sulfonamido)benzoic acid CAS 82068-33-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 82068-33-5 |
| Molecular Formula | C11H9NO4S2 |
| Molecular Weight | 283.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-(Thiophene-2-sulfonamido)benzoic acid (CAS 82068-33-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C11H9NO4S2. Molecular weight: 283.32 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C11H9NO4S2 |
| Molecular Weight | 283.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Thiophene Standards
- 3-(Thiophene-2-sulfonamido)benzoic acid (CAS 82068-34-6)
- 4-(Thiophene-2-sulfonamido)benzoic acid (CAS 82068-35-7)
- 3-(2-(Thiophene-2-carboxamido)thiazol-4-yl)propanoic acid (CAS 1286725-94-7)
- Methyl 1-(thiophene-2-carbonyl)-1H-indole-3-carboxylate (CAS 425625-87-2)
- Thiophene-2,5-disulfonyl dichloride (CAS 79279-35-9)
- N-(Thiophene-2-sulfonyl)benzenecarbonimidoyl chloride (CAS 882180-99-6)
- 4,4'-(Thiophene-2,5-diyl)dibenzonitrile (CAS 55368-38-2)
- 4-(Thiophene-2-carbonyl)benzenesulfonyl chloride (CAS 111855-92-6)
Recommended Standards
- 2-(tert-Butylsulfonyl)-2-[2-(2-fluorophenyl)hydrazono]acetonitrile (CAS 241127-16-2)
- 2,3,5,6,8,9,11,12-Octahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecin-15-amine (CAS 60835-71-4)
- 2-(Tert-butyl) 3-ethyl (1R,3S,5S)-5-formyl-2-azabicyclo[3.1.0]Hexane-2,3-dicarboxylate (CAS 2243490-61-9)
- (3-Fluoro-5-(piperidin-4-yl)phenyl)boronic acid (CAS 2225176-44-1)
- Metolazone (CAS 17560-51-9)
- 2-(Cyclopropylmethoxy)benzaldehyde (CAS 54280-77-2)
- (R)-2-(4-(Methylsulfonyl)phenyl)pyrrolidine (CAS 1029650-29-0)
- (Triethylsilyl)acetylene (CAS 1777-03-3)
- Methanone, 1h-imidazol-1-yl-1h-indol-4-yl- (CAS 65923-24-2)
- Semaglutide impurity 199 (CAS CATO-C4X-2226199)
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