2-Bromo-1-(4-fluoro-2-methylphenyl)ethanone CAS 343-62-4
| CAS No. | 343-62-4 |
| Molecular Formula | C9H8BrFO |
| Molecular Weight | 231.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Bromo-1-(4-fluoro-2-methylphenyl)ethanone (CAS 343-62-4) is a high-purity analytical reference standard with the molecular formula C9H8BrFO and a molecular weight of 231.06 g/mol.
Based on its molecular formula C9H8BrFO, 2-Bromo-1-(4-fluoro-2-methylphenyl)ethanone contains a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.06 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Bromo-1-(4-fluoro-2-methylphenyl)ethanone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H8BrFO |
| Molecular Weight | 231.06 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1957 |
| Halogen Content | F/Br-containing |
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Recommended Standards
- 2-Bromo-1-(3-fluoro-4-methylphenyl)ethan-1-one (CAS 505097-09-6)
- 2-Bromo-1-(4-fluoro-3-methylphenyl)ethan-1-one (CAS 63529-31-7)
- 2-(Bromomethyl)-5-fluoro-2,3-dihydrobenzofuran (CAS 37603-11-5)
- 2-Bromo-1-(4-fluorophenyl)propan-1-one (CAS 345-94-8)
- 3-(4-Methoxy-3-(n-methylsulfamoyl)phenyl)acrylic acid (CAS 786728-86-7)
- 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)aniline (CAS 71422-80-5)
- (1S,2S)-2-((tert-Butoxycarbonyl)amino)-1-fluorocyclobutane-1-carboxylic acid (CAS 1639454-85-5)
- 2-hydroxycyclopentanecarboxylic acid (CAS 81887-89-0)
- 2-(2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy)ethyl (4-nitrophenyl) carbonate (CAS 1345681-74-4)
- 1,2-Dichloro-4-(3-chloropropyl)benzene (CAS 36947-08-7)
- 3,4-Dimethylbenzene-1-carbonyl chloride (CAS 21900-23-2)
- 1-(2-Chloropyrimidin-4-yl)piperidin-4-ol (CAS 94222-07-8)
- Ethyl 2-Oxo-3-phenylcyclopentanecarboxylate (CAS 312312-75-7)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
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