2-Bromo-1-(3-methanesulfonylphenyl)ethan-1-one CAS 443915-58-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 443915-58-0 |
| Molecular Formula | C9H9BrO3S |
| Molecular Weight | 277.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Bromo-1-(3-methanesulfonylphenyl)ethan-1-one (CAS 443915-58-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H9BrO3S. Molecular weight: 277.13 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H9BrO3S |
| Molecular Weight | 277.13 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 |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-[(4-bromophenyl)methanesulfinyl]acetic acid (CAS 81431-33-6)
- 2-Bromo-1-(diethoxymethyl)-4-fluorobenzene (CAS 198967-20-3)
- 2-Bromo-1-[2-(methylsulfonyl)phenyl]ethanone (CAS 99513-18-5)
- tert-Butyl N-(2-azaspiro[3.3]heptan-6-yl)carbamate hydrochloride (CAS 1956355-97-7)
- 5-Bromo-6-((triisopropylsilyl)ethynyl)pyridin-2-amine (CAS 1452572-95-0)
- Vazegepant Impurity 11 (CAS CATO-C4X-320011)
- Trimethyl(9-methyl-9H-fluoren-9-yl)germane (CAS 61857-68-9)
- Bestatin Impurity 19 (CAS 70267-76-4)
- 4-Chloro-6-methyl-2-(methylsulfonyl)pyrimidine (CAS 55329-22-1)
- Insulin Degludec Impurity 24 (CAS CATO-C4X-215724)
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