5-Bromo-2-methylthiophene-3-sulfonyl chloride CAS 82834-48-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 82834-48-8 |
| Molecular Formula | C5H4BrClO2S2 |
| Molecular Weight | 275.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-2-methylthiophene-3-sulfonyl chloride (CAS 82834-48-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H4BrClO2S2. Molecular weight: 275.57 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H4BrClO2S2 |
| Molecular Weight | 275.57 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1980 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 6-(4-Isopropylpiperazin-1-yl)-2-methylnicotinic acid (CAS 1355175-40-4)
- 5-Nitro-1h,2h,3h-pyrazolo[3,4-b]pyridin-3-one (CAS 1186609-73-3)
- Ganirelix 1-4 peptide (CAS 208599-57-9)
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