1-Bromo-2-(difluoromethoxy)-4,5-difluoro-benzene CAS 1242258-46-3
| CAS No. | 1242258-46-3 |
| Molecular Formula | C7H3BrF4O |
| Molecular Weight | 259.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 259.00 g/mol gives 1-Bromo-2-(difluoromethoxy)-4,5-difluoro-benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-2-(difluoromethoxy)-4,5-difluoro-benzene (CAS 1242258-46-3) is a high-purity analytical reference standard with the molecular formula C7H3BrF4O and a molecular weight of 259.00 g/mol.
1-Bromo-2-(difluoromethoxy)-4,5-difluoro-benzene (C7H3BrF4O) contains a hydroxyl group, an ether linkage, fluorine/bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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-2-(difluoromethoxy)-4,5-difluoro-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 | C7H3BrF4O |
| Molecular Weight | 259.00 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.) | 1990 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 1-Bromo-2-fluoro-3-(trifluoromethoxy)benzene (CAS 1033202-63-9)
- 4-Bromo-2-fluoro-1-(trifluoromethoxy)benzene (CAS 105529-58-6)
- 1-Bromo-3-fluoro-5-(trifluoromethoxy)benzene (CAS 1129541-09-8)
- 4-Bromo-2-fluoro-6-(trifluoromethyl)phenol (CAS 1224604-17-4)
- 2-Bromo-1-fluoro-3-(trifluoromethoxy)benzene (CAS 1242249-84-8)
- 1-Bromo-4-fluoro-2-(trifluoromethoxy)benzene (CAS 1242252-07-8)
- 1-Bromo-3-fluoro-2-(trifluoromethoxy)benzene (CAS 1242258-31-6)
- 2-Bromo-4-fluoro-6-(trifluoromethyl)phenol (CAS 130046-84-3)
Recommended Standards
- 1-Bromo-3,4-difluoro-2-(difluoromethoxy)benzene (CAS 1370601-42-5)
- 1-Bromo-4-(difluoromethoxy)-2,5-difluorobenzene (CAS 1394130-50-7)
- 2-Bromo-5-(difluoromethoxy)-1,3-difluoro-benzene (CAS 1417567-03-3)
- 1-Bromo-4-(difluoromethoxy)-2,3-difluorobenzene (CAS 1417569-24-4)
- (2-(4-Chlorophenyl)cyclopropyl)(4-methoxyphenyl)methanone (CAS 338749-37-4)
- 3,4-Dihydro-1(2H)-quinolinyl(2-piperidinyl)-methanone hydrochloride (CAS 1236254-93-5)
- 5-(3,4-Dichlorophenyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 433246-24-3)
- 2-Fluoro-5-iodo-4-methoxyaniline (CAS 2092595-26-9)
- 1-(3-Fluoro-4-methoxybenzyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 1604036-67-0)
- 2-Chloro-N-(5-cyclohexyl-1,3,4-thiadiazol-2-yl)acetamide (CAS 83390-45-8)
- 2-Amino-1-(naphthalen-2-yl)ethan-1-one hydrochloride (CAS 38061-36-8)
- Ethiofencarb-Sulfone (CAS 53380-23-7)
- 2-Bromo-1-chlorodibenzo[b,d]furan (CAS 109264-70-2)
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