1-Bromo-4,5-difluoro-3-ethoxybenzene CAS 204654-92-2
| CAS No. | 204654-92-2 |
| Molecular Formula | C8H7BrF2O |
| Molecular Weight | 237.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H7BrF2O, 1-Bromo-4,5-difluoro-3-ethoxybenzene 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 237.04 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).
1-Bromo-4,5-difluoro-3-ethoxybenzene (CAS 204654-92-2) is a high-purity analytical reference standard with the molecular formula C8H7BrF2O and a molecular weight of 237.04 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-Bromo-4,5-difluoro-3-ethoxybenzene 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 | C8H7BrF2O |
| Molecular Weight | 237.04 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 1-bromo-4-(difluoromethoxy)-2-methylbenzene (CAS 1021172-76-8)
- 6-Bromo-2,3-difluorophenetole (CAS 1122410-43-8)
- 5-Bromo-2-ethoxy-1,3-difluorobenzene (CAS 115467-04-4)
- 1-Bromo-2-(difluoromethyl)-4-methoxybenzene (CAS 1214329-81-3)
- 3-Bromo-4-(difluoromethyl)anisole (CAS 1214379-79-9)
- 4-Bromo-2,6-difluoro-alpha-methylbenzyl Alcohol (CAS 1214900-62-5)
- 1-Bromo-4-(difluoro(methoxy)methyl)benzene (CAS 1236031-38-1)
- 1-Bromo-2-ethoxy-3,5-difluorobenzene (CAS 1242418-44-5)
Recommended Standards
- 1-Bromo-4-(2,2-difluoroethoxy)benzene (CAS 958454-32-5)
- 2-(2,4-Dichloro-5-hydroxyphenoxy)acetic Acid (CAS 2639-79-4)
- 1-Bromo-3,4-difluoro-2-(methoxymethyl)benzene (CAS 2432848-52-5)
- 2-(2-Bromoethoxy)-1,3-difluorobenzene (CAS 426842-96-8)
- (S)-3-Amino-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester hydrochloride (CAS 2305080-42-4)
- N-(3-Amino-4-fluorophenyl)-3-methoxybenzamide (CAS 926240-93-9)
- N-(4-(4-Methoxypiperidin-1-yl)phenyl)-2-(1H-pyrazol-1-yl)acetamide (CAS 1797641-77-0)
- [(2-Methoxyphenyl)methyl](2-methylpropyl)amine (CAS 869942-72-3)
- N,N-Dimethylthiophene-3-carboxamide (CAS 59906-37-5)
- 2-(4-Chlorophenoxy)-2,2-difluoro-N-(2-fluorophenyl)acetamide (CAS 250714-69-3)
- 5-Methyl-N-(2-(3-(pyridin-2-yl)-1H-pyrazol-1-yl)ethyl)isoxazole-4-carboxamide (CAS 1448056-53-8)
- 2-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(prop-2-yn-1-yl)propanamide (CAS 339010-62-7)
- 3,4-Dicyanobenzenesulfonyl chloride (CAS 170697-25-3)
- Semaglutide impurity 229 (CAS CATO-C4X-2226229)
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