Methyl 3-bromo-4-(difluoromethyl)benzoate CAS 2091024-23-4
| CAS No. | 2091024-23-4 |
| Molecular Formula | C9H7BrF2O2 |
| Molecular Weight | 265.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H7BrF2O2, Methyl 3-bromo-4-(difluoromethyl)benzoate 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl 3-bromo-4-(difluoromethyl)benzoate (CAS 2091024-23-4), molecular formula C9H7BrF2O2 and molecular weight 265.05 g/mol, is a CATO reference standard with documented purity and traceability.
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 3-bromo-4-(difluoromethyl)benzoate 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.) | 1997 |
| Halogen Content | F/Br-containing |
Related Methyl Standards
- 2-Bromo-1-(3,5-difluoro-4-methoxyphenyl)ethan-1-one (CAS 1098617-30-1)
- 5-Bromo-2-(2,2-difluoroethoxy)-benzaldehyde (CAS 1184290-32-1)
- Ethyl 5-bromo-2,3-difluorobenzoate (CAS 1187386-10-2)
- 1-[5-bromo-2-(difluoromethoxy)phenyl]ethan-1-one (CAS 1215994-75-4)
- Ethyl 5-bromo-2,4-difluorobenzoate (CAS 1260677-99-3)
- 1-(4-Bromo-2-(difluoromethoxy)phenyl)ethanone (CAS 1260815-88-0)
- Ethyl 3-bromo-2,6-difluorobenzoate (CAS 1309933-04-7)
- 3-Bromo-4-(2,2-difluoroethoxy)benzaldehyde (CAS 1340329-94-3)
Recommended Standards
- Methyl 3-(bromomethyl)-2,6-difluorobenzoate (CAS 942224-45-5)
- Methyl 3-bromo-5-(difluoromethyl)benzoate (CAS 2169214-03-1)
- Methyl 2-bromo-4-(difluoromethyl)benzoate (CAS 2091157-39-8)
- Methyl 4-(bromomethyl)-2,3-difluorobenzoate (CAS 863248-27-5)
- 2-sulfamoylpentanoic acid (CAS 1547818-45-0)
- 1-Boc-2-tert-Butylpiperazine hydrochloride (CAS 1381947-73-4)
- N-(4-Chlorophenyl)-3-(1-(4-fluorophenyl)-1H-1,2,3-triazol-4-yl)-1,2,4-oxadiazole-5-carboxamide (CAS 1251630-87-1)
- 3-Cyano-N-(furan-2-ylmethyl)-N-(2-(thiophen-2-yl)ethyl)benzamide (CAS 1396882-24-8)
- N-Benzyl-3-cyanobenzenesulfonamide (CAS 808761-46-8)
- 4-Methoxy-N-(naphthalen-1-yl)benzenesulfonamide (CAS 56799-97-4)
- 4-Methyl-2-((tetrahydro-2H-pyran-4-yl)amino)pentan-1-ol (CAS 1249143-85-8)
- 8-(4-Fluorophenyl)-4-oxo-N-propyl-4,6,7,8-tetrahydroimidazo[2,1-c][1,2,4]triazine-3-carboxamide (CAS 946311-93-9)
- Ethyl 3-Bromo-5-nitrobenzoate (CAS 690260-94-7)
- Fibrinopeptide B (human) (CAS 36204-23-6)
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