3-Bromo-4-hydroxybenzenesulfonyl chloride CAS 1055325-23-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1055325-23-9 |
| Molecular Formula | C6H4BrClO3S |
| Molecular Weight | 271.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-4-hydroxybenzenesulfonyl chloride (CAS 1055325-23-9) 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.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- Methyl 5-bromo-4-chloro-3-hydroxythiophene-2-carboxylate (CAS 1095124-55-2)
- 5-Bromo-2-hydroxybenzenesulfonyl chloride (CAS 123221-93-2)
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- 4-Bromo-2-hydroxybenzene-1-sulfonyl chloride (CAS 1261497-41-9)
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- 5-Bromo-4-chloro-2-(methylsulfonyl)pyrimidine (CAS 79091-24-0)
Recommended Standards
- 2,2,2-Trichloroethyl carbamoylsulfamate (CAS 882739-31-3)
- (R)-1-[4-(tert-Butyldimethylsilyloxymethyl)cyclohexyl]ethan-1-amine (CAS 672314-51-1)
- 4-Amino-2-chloro-3-fluorobenzeneboronic acid pinacol ester, 97% (CAS 1154740-65-4)
- Cipamfylline (CAS 132210-43-6)
- 1-(2-Chlorophenyl)ethanol (CAS 13524-04-4)
- 2,5-Dimethyl-1-(3-(methylthio)phenyl)-1h-pyrrole-3-carboxylic acid (CAS 923772-88-7)
- 3-(2,2,2-Trifluoroethyl)pyridine (CAS 1099598-09-0)
- 2-(4-Bromo-1H-imidazol-1-yl)ethanamine (CAS 1375301-87-3)
- 4-(2-Chloroethyl)-1H-imidazole (CAS 13518-55-3)
- Allo-Thr5-Tirzepatide (CAS CATO-CPTD788934)
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