Methyl 4-(bromomethyl)-2,3-difluorobenzoate CAS 863248-27-5
| CAS No. | 863248-27-5 |
| Molecular Formula | C9H7BrF2O2 |
| Molecular Weight | 265.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 4-(bromomethyl)-2,3-difluorobenzoate (CAS 863248-27-5), a certified reference material (molecular formula C9H7BrF2O2, MW 265.05 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H7BrF2O2, Methyl 4-(bromomethyl)-2,3-difluorobenzoate contains a carboxylic acid group, 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 265.05 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Methyl 4-(bromomethyl)-2,3-difluorobenzoate 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 | C9H7BrF2O2 |
| Molecular Weight | 265.05 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; 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.) | 1987 |
| Halogen Content | F/Br-containing |
Related Methyl Standards
- Methyl 6-(bromomethyl)-2,3-difluorobenzoate (CAS 1260671-51-9)
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- Methyl 4-(Bromomethyl)-2,5-difluorobenzoate (CAS 1355488-72-0)
- Methyl 3-(bromomethyl)-2,6-difluorobenzoate (CAS 942224-45-5)
- 2-(Bromomethyl)-3-cyano-4-(difluoromethyl)-6-fluoropyridine (CAS 1805089-92-2)
- 2-(Bromomethyl)-5-cyano-6-(difluoromethyl)-3-fluoropyridine (CAS 1805357-55-4)
- 2-(Bromomethyl)-4-cyano-5-(difluoromethyl)-3-fluoropyridine (CAS 1806949-38-1)
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Recommended Standards
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- Methyl 3-bromo-4-(difluoromethyl)benzoate (CAS 2091024-23-4)
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