4-Bromo-2-chloro-1-benzenesulfonyl Chloride CAS 351003-52-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 351003-52-6 |
| Molecular Formula | C6H3BrCl2O2S |
| Molecular Weight | 289.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-chloro-1-benzenesulfonyl Chloride (CAS 351003-52-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3BrCl2O2S. Molecular weight: 289.96 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3BrCl2O2S |
| Molecular Weight | 289.96 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 5-Bromo-2-chlorobenzenesulfonyl Chloride (CAS 81226-68-8)
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- 2-Iodo-5-(trifluoromethoxy)pyrazine (CAS 1261633-10-6)
- 7-Bromo-2,2-dimethyl-3,4-dihydronaphthalen-1(2H)-one (CAS 148925-37-5)
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- (2E)-3-(Dimethylamino)-2-(phenylsulfonyl)-2-propenenitrile (CAS 1008108-50-6)
- 3-Propoxypicolinaldehyde (CAS 405174-91-6)
- 4,4-Difluoropiperidin-3-ol hydrochloride (CAS 1186688-54-9)
- 3-(3-Chlorophenyl)-5-(3-nitrophenyl)-1H-pyrazole (CAS 143704-43-2)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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