2-Bromo-3-methyl-1-benzenesulfonyl Chloride CAS 1261566-57-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261566-57-7 |
| Molecular Formula | C7H6BrClO2S |
| Molecular Weight | 269.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Bromo-3-methyl-1-benzenesulfonyl Chloride (CAS 1261566-57-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H6BrClO2S. Molecular weight: 269.54 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H6BrClO2S |
| Molecular Weight | 269.54 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.) | 1990 |
| Halogen Content | Cl/Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
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Recommended Standards
- 4-(3-Bromophenyl)-2-chloropyrimidine 499195-47-0 6771AB C10H6BrClN2 (CAS 499195-47-0)
- 3-(Bromomethyl)benzenesulfonyl chloride (CAS 148583-69-1)
- 3330AE 4-Bromo-6-chloro-3-phenylpyridazine 433935-99-0 C10H6BrClN2 (CAS 433935-99-0)
- 6-Acetyl Morphine Hydrochloride (CAS 36418-22-1)
- tert-Butyl (S)-2-(((2-nitropyridin-3-yl)oxy)methyl)azetidine-1-carboxylate (CAS 209530-92-7)
- 7-Chlorothiazolo[4,5-d]pyrimidine (CAS 1353101-37-7)
- 3-(Furan-2-yl)-2-phenylisoxazolidin-5-ol (CAS 189255-05-8)
- Ubenimex Impurity 8 (CAS CATO-C4X-18528)
- Triethylsulfonium (CAS 29245-61-2)
- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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