4-Bromo-5-chloro-2-methoxybenzene-1-sulfonyl chloride CAS 1208076-81-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1208076-81-6 |
| Molecular Formula | C7H5BrCl2O3S |
| Molecular Weight | 319.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-chloro-2-methoxybenzene-1-sulfonyl chloride (CAS 1208076-81-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5BrCl2O3S. Molecular weight: 319.99 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5BrCl2O3S |
| Molecular Weight | 319.99 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 1990 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-3-chloro-2-methoxybenzene-1-sulfonyl chloride (CAS 1152516-62-5)
- 4-Bromo-2-chloro-5-methoxybenzenesulfonyl chloride (CAS 1418316-29-6)
- 5-Bromo-4,6-dichloro-2-((methylsulfonyl)methyl)pyrimidine (CAS 1423024-74-1)
- 2-Bromo-5-chloro-4-methoxybenzene-1-sulfonyl chloride (CAS 868406-66-0)
- 3-Bromo-5-chloro-2-methoxybenzene-1-sulfonyl chloride (CAS 885532-56-9)
- 2-Bromo-1-(5-bromo-2,3-dihydrobenzofuran-7-yl)ethan-1-one (CAS 690632-70-3)
- 2-Bromo-5-iodo-3-methoxypyridine (CAS 1131335-43-7)
- 2-Bromo-4-iodo-3-methoxypyridine (CAS 1261365-82-5)
Recommended Standards
- Ozagrel Impurity 31 (CAS CATO-C4X-197131)
- Methyl 4-(2,2-dibromovinyl)benzoate (CAS 253684-21-8)
- Methyl (2E)-3-(3,5-dibromophenyl)prop-2-enoate (CAS 695187-21-4)
- 2-Cyano-3-(3,5-dimethyl-1-phenyl-1h-pyrazol-4-yl)acrylic acid (CAS 1006492-24-5)
- Ethyl 4-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-7-carboxylate (CAS 1038478-74-8)
- (2S,5S)-tert-butyl 5-(3-bromo-5-((diethoxyphosphoryl)methyl)benzyl)-2-(tert-butyl)-3-methyl-4-oxoimidazolidine-1-carboxylate (CAS 174575-06-5)
- N-(4-Ethylbenzyl)-2-propen-1-amine hydrochloride (CAS 1049678-44-5)
- 1-[(3-Chloro-4-fluorophenyl)methyl]-4-nitro-1h-pyrazole (CAS 1240579-43-4)
- (2R,3R,4S,5S,6R)-2-((benzoyloxy)methyl)-6-bromotetrahydro-2H-pyran-3,4,5-triyl tribenzoate (CAS 14218-30-5)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
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