3-Bromobenzo[b]thiophene-2-sulfonyl chloride CAS 128852-11-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128852-11-9 |
| Molecular Formula | C8H4BrClO2S2 |
| Molecular Weight | 311.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromobenzo[b]thiophene-2-sulfonyl chloride (CAS 128852-11-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H4BrClO2S2. Molecular weight: 311.60 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H4BrClO2S2 |
| Molecular Weight | 311.60 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
- 2-(4-Bromophenyl)-1-(4-chlorophenyl)ethan-1-ol (CAS 1183175-86-1)
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- 1-(4-(Bromomethyl)phenyl)-1H-imidazole (CAS 143426-54-4)
- 4-Ethyl-5-(methoxymethyl)-1H-pyrazol-3-amine (CAS 161487-38-3)
- 6-Amino-3-hydroxy-2-methylbenzoic acid (CAS 1378685-00-7)
- 4-Chloro-5H-pyridazino[4,5-b]indole (CAS 85076-68-2)
- 4-(4-(Benzyloxy)-2-methylbenzoyl)-5-(3-ethoxy-4-hydroxyphenyl)-3-hydroxy-1-(2-methoxyethyl)-1H-pyrrol-2(5H)-one (CAS 488123-24-6)
- Semaglutide Impurity 3 (CAS CATO-C4X-22263)
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