| CAS No. | 1251242-72-4 |
| Molecular Formula | C10H9BrClFO |
| Molecular Weight | 279.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-bromo-4-(3-chloro-2-fluorophenyl)butan-2-one (CAS 1251242-72-4) is a high-purity analytical reference standard with the molecular formula C10H9BrClFO and a molecular weight of 279.53 g/mol.
Based on its molecular formula C10H9BrClFO, 3-bromo-4-(3-chloro-2-fluorophenyl)butan-2-one contains a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 279.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 3-bromo-4-(3-chloro-2-fluorophenyl)butan-2-one 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.
| Molecular Formula | C10H9BrClFO |
| Molecular Weight | 279.53 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl/Br-containing |