4-Bromo-1-methyl-2-(methylsulfonyl)benzene CAS 254887-17-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 254887-17-7 |
| Molecular Formula | C8H9BrO2S |
| Molecular Weight | 249.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-1-methyl-2-(methylsulfonyl)benzene (CAS 254887-17-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H9BrO2S. Molecular weight: 249.12 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H9BrO2S |
| Molecular Weight | 249.12 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 | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- Ethyl 2-bromo-2-(thiophen-2-yl)acetate (CAS 104688-01-9)
- Methyl 4-bromo-5-ethylthiophene-2-carboxylate (CAS 1047645-89-5)
- Ethyl 4-bromo-5-methylthiophene-2-carboxylate (CAS 1256286-44-8)
- 5-bromo-7-fluoro-tetralin-1-one (CAS 1260018-37-8)
- 8-bromo-5-fluoro-tetralin-1-one (CAS 1260018-43-6)
- 1-Bromo-2-(ethanesulfonyl)benzene (CAS 1299474-17-1)
- 5-Bromo-2,4-dimethoxybenzenethiol (CAS 1303890-61-0)
- Ethyl 2-bromo-5-methylthiophene-3-carboxylate (CAS 1374676-14-8)
Recommended Standards
- 4,6-Dimethyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-amine (CAS 2377611-40-8)
- 4-Bromo-2-methyl-1-(methylsulfonyl)benzene (CAS 99768-21-5)
- 4-(5-Bromothiophen-2-yl)butanoic acid (CAS 89980-93-8)
- 5-Bromo-2-iodopyridin-3-ol (CAS 188057-49-0)
- [5-(Trifluoromethyl)-1,3-thiazol-2-yl]methanol (CAS 1434142-11-6)
- Bempedoic Acid Impurity 40 (CAS CATO-C4X-218940)
- 4H-Spiro[4,7-methanobenzo[d]isoxazole-5,1'-cyclopropane] (CAS 107962-84-5)
- 7-bromo-2-hydroxy-pyrido[1,2-a]pyrimidin-4-one (CAS 355135-40-9)
- N-((R)-1-((S)-2-Amino-3-methylbutanoyl)pyrrolidin-3-yl)-N-methylacetamide (CAS 1401665-69-7)
- (Ser(PO?H?)2?2)-Tau Peptide (260-264) PAb Blocking trifluoroacetate salt (CAS 2022956-57-4)
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