5-Bromo-2-hydroxybenzenesulfonyl chloride CAS 123221-93-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 123221-93-2 |
| Molecular Formula | C6H4BrClO3S |
| Molecular Weight | 271.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-2-hydroxybenzenesulfonyl chloride (CAS 123221-93-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4BrClO3S. Molecular weight: 271.52 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4BrClO3S |
| Molecular Weight | 271.52 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, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
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Recommended Standards
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- 7-Phenyl-14-(p-tolyl)-5,6,8,9-tetrahydrodibenzo[c,h]acridin-14-ium trifluoromethanesulfonate (CAS 76017-77-1)
- 4-Amino-5-chloro-6-(difluoromethyl)nicotinoyl chloride (CAS 1804452-76-3)
- 5-(4-(Benzyloxy)-2,3-difluorophenyl)oxazole (CAS 2364584-71-2)
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- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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