1-(4-Bromophenyl)-2-(methylsulfonyl)ethan-1-one CAS 500576-33-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 500576-33-0 |
| Molecular Formula | C9H9BrO3S |
| Molecular Weight | 277.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Bromophenyl)-2-(methylsulfonyl)ethan-1-one (CAS 500576-33-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9BrO3S. Molecular weight: 277.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
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.) | 1984 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(2,4-Dichloro-5-methoxyphenyl)-1,2-dihydro-5H-tetrazole-5-thione (CAS 400085-60-1)
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- (3-Bromo-2-butoxy-6-fluorophenyl)methanol (CAS 2379321-39-6)
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- 1-(5-Bromopyridin-3-yl)-propylamine (CAS 1194055-87-2)
- 1-(4-((3-Methyl-1,2,4-oxadiazol-5-yl)methyl)thiazol-2-yl)-3-(thiophen-2-yl)urea (CAS 1797026-91-5)
- 5-Methyl-2-(2-methyl-1-piperidinyl)aniline (CAS 946761-58-6)
- N-Ethyl-4-(dimethylamino)benzylamine (CAS 313552-99-7)
- 6-Isopropoxy-2-(piperazin-1-yl)benzo[d]thiazole (CAS 401567-30-4)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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