2,2-Dibromo-4’-(methylsulfonyl)acetophenone CAS 85976-24-5
| CAS No. | 85976-24-5 |
| Molecular Formula | C9H8Br2O3S |
| Molecular Weight | 356.03 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2-Dibromo-4’-(methylsulfonyl)acetophenone (CAS 85976-24-5), molecular formula C9H8Br2O3S and molecular weight 356.03 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H8Br2O3S, 2,2-Dibromo-4’-(methylsulfonyl)acetophenone contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 356.03 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2,2-Dibromo-4’-(methylsulfonyl)acetophenone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H8Br2O3S |
| Molecular Weight | 356.03 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| 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.) | 1981 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromo Standards
- 2-(3,8-Dibromo-5-methoxyquinolin-6-yl)acetonitrile (CAS 1257833-22-9)
- (3,5-Dibromo-4-hydroxyphenyl)(phenyl)methanone (CAS 26733-16-4)
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