4-Bromo-1-(difluoromethyl)-2-methoxybenzene CAS 1254034-35-9
| CAS No. | 1254034-35-9 |
| Molecular Formula | C8H7BrF2O |
| Molecular Weight | 237.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 237.04 g/mol gives 4-Bromo-1-(difluoromethyl)-2-methoxybenzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-Bromo-1-(difluoromethyl)-2-methoxybenzene (CAS 1254034-35-9), molecular formula C8H7BrF2O and molecular weight 237.04 g/mol, is a CATO reference standard with documented purity and traceability.
4-Bromo-1-(difluoromethyl)-2-methoxybenzene (C8H7BrF2O) 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 4-Bromo-1-(difluoromethyl)-2-methoxybenzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1990 |
| 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-(4-Bromophenyl)-2,2-difluoroethan-1-ol (CAS 1255706-18-3)
- 2-Bromo-1-(difluoromethyl)-3-methoxybenzene (CAS 1261441-82-0)
- 2-(4-Iodo-1H-pyrazol-1-yl)ethanamine (CAS 1221715-56-5)
- 3-Bromo-5-(difluoromethyl)anisole (CAS 1261476-12-3)
- Cyclopentyl 3-methylphenyl ketone (CAS 85359-50-8)
- 4-Ethynylcyclohexanecarbaldehyde (CAS 120077-74-9)
- 3-(3-Chloro-5-fluorophenyl)-1-propene (CAS 842124-23-6)
- 2-propylazepane (CAS 13748-14-6)
- Z-Glu(OSu)-OBzl (CAS 34897-67-1)
- 1-(2-Chloro-4-(trifluoromethoxy)phenyl)ethan-1-one (CAS 1824647-99-5)
- Ethyl 3-bromo-6-cyano-2-(trifluoromethyl)benzoate (CAS 1806850-14-5)
- 2-(2-Fluorophenyl)quinoline-4-carboxylic acid (CAS 1647-89-8)
- 4-(Pyrrolidin-1-yl)-1-naphthonitrile (CAS 664362-54-3)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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