1,4-Dibromo-2-(difluoromethoxy)benzene CAS 1000575-26-7
| CAS No. | 1000575-26-7 |
| Molecular Formula | C7H4Br2F2O |
| Molecular Weight | 301.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1,4-Dibromo-2-(difluoromethoxy)benzene (CAS 1000575-26-7) is a high-purity analytical reference standard with the molecular formula C7H4Br2F2O and a molecular weight of 301.91 g/mol.
Based on its molecular formula C7H4Br2F2O, 1,4-Dibromo-2-(difluoromethoxy)benzene 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 301.91 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), 1,4-Dibromo-2-(difluoromethoxy)benzene 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 | C7H4Br2F2O |
| Molecular Weight | 301.91 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1988 |
| Halogen Content | F/Br-containing |
Related Dibromo Standards
- 1,2-Dibromo-4-(difluoromethoxy)benzene (CAS 1000574-96-8)
- 1,3-Dibromo-2-(difluoromethoxy)benzene (CAS 1182728-50-2)
- 4,6-Dibromo-2,3-difluoroanisole (CAS 1291487-25-6)
- 3,6-Dibromo-4,5-difluorobenzene-1,2-diamine (CAS 1345627-73-7)
- 2,4-Dibromo-1-(difluoromethoxy)benzene (CAS 1417567-95-3)
- 1,2-Dibromo-3-(difluoromethoxy)benzene (CAS 1427448-03-0)
- 1,4-Dibromo-2,5-difluoro-3-methoxybenzene (CAS 1803830-10-5)
- (2,5-Dibromo-3,6-difluorophenyl)methanol (CAS 1804882-96-9)
Recommended Standards
- 2,6-Dichloro-4-iodonicotinaldehyde (CAS 1309866-36-1)
- 2,5-Dichloro-6-iodonicotinaldehyde (CAS 1299607-54-7)
- 4-Bromo-2-fluoro-3-iodopyridine (CAS 917969-51-8)
- 3-Bromo-2-fluoro-5-iodopyridine (CAS 697300-72-4)
- 2-Chloro-2,2-difluoro-1-(3-fluoro-4-methoxyphenyl)ethan-1-one (CAS 1352216-10-4)
- N-Cyclopropyl 4-Aminophenylsulfonamide (CAS 177785-41-0)
- 1-Amino-4-(benzo[d]thiazol-2-ylamino)-2-methoxyanthracene-9,10-dione (CAS 62593-05-9)
- 3-Bromo-2-chloro-5-fluorobenzoic acid (CAS 1805210-37-0)
- 1-Chloro-4-(chloromethoxy)benzene (CAS 21151-56-4)
- 3-Amino-1-(2,4-difluorophenyl)piperidin-2-one (CAS 1341063-42-0)
- Barium chloride (CAS 10361-37-2)
- 74507-62-3 Bis(pentamethylcyclopentadienyl)cobalt(II) CoCp*2 Decamethylcobaltocene (CAS 74507-62-3)
- Methyl 2,4-dimethoxy-5-nitrobenzoate (CAS 81574-75-6)
- 1-His-N-a-ethylidene Semaglutide (CAS CATO-C4X-2226252)
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