2,3-Dihydrobenzo[b]thiophene-6-sulfonyl chloride 1,1-dioxide CAS 208643-45-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 208643-45-2 |
| Molecular Formula | C8H7ClO4S2 |
| Molecular Weight | 266.72 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dihydrobenzo[b]thiophene-6-sulfonyl chloride 1,1-dioxide (CAS 208643-45-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H7ClO4S2. Molecular weight: 266.72 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H7ClO4S2 |
| Molecular Weight | 266.72 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 |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2016 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 2 |
Related Dihydrobenzo Standards
- 2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-6-methylimidazo[1,2-a]pyridine (CAS 702636-92-8)
- 2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)imidazo[1,2-a]pyridin-6-amine (CAS 1082409-09-3)
- 2-Oxo-1,2-dihydrobenzo[cd]indole-6-sulfonyl chloride (CAS 78078-92-9)
- N-(5,6-dihydrobenzo[h]quinazolin-2-yl)cyclopropanecarboxamide (CAS 306979-36-2)
- 2-(((2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)methyl)(isopropyl)amino)acetic acid (CAS 1178325-49-9)
- 2-(((2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)methyl)(isopropyl)amino)acetic acid (CAS 1181974-44-6)
- 2-(((2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)methyl)(isopropyl)amino)acetic acid (CAS 1353966-07-0)
- 2-(2,3-Dihydrobenzo[b][1,4]dioxine-6-carboxamido)butanoic acid (CAS 436855-75-3)
Recommended Standards
- 2-(3-Chloropropyl)-6,7-dimethoxyquinazoline (CAS 2006277-49-0)
- 2-[(3-Chloro-4-fluorophenyl)amino]-2-(thiophen-2-yl)acetonitrile (CAS 866154-51-0)
- 2-((4-Chlorophenyl)thio)-5-fluorobenzaldehyde (CAS 710960-13-7)
- 1-chloro-4-ethoxy-1,1-difluorobut-3-en-2-one (CAS 131153-94-1)
- Tert-butyl 4-(4-carbamimidoylphenyl)piperazine-1-carboxylate (CAS 885270-17-7)
- 2-Bromo-[1,1'-biphenyl]-3-carboxylic acid (CAS 1049143-36-3)
- [1,3]Dioxolo[4,5-f]quinoline (CAS 234-20-8)
- Validamycin (CAS 50642-14-3)
- 13981-77-6 Calcium, isotope of mass 46 Calcium-46 (CAS 13981-77-6)
- Des-Gly34-Tirzepatide (CAS CATO-CPTD788940)
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