1-Bromo-5-butoxy-2,4-difluorobenzene CAS 1881290-58-9
| CAS No. | 1881290-58-9 |
| Molecular Formula | C10H11BrF2O |
| Molecular Weight | 265.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-Bromo-5-butoxy-2,4-difluorobenzene 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.
1-Bromo-5-butoxy-2,4-difluorobenzene (CAS 1881290-58-9), molecular formula C10H11BrF2O and molecular weight 265.09 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H11BrF2O, 1-Bromo-5-butoxy-2,4-difluorobenzene 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 265.09 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.
Physical & Chemical Properties
| Molecular Formula | C10H11BrF2O |
| Molecular Weight | 265.09 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1995 |
| Halogen Content | F/Br-containing |
Related Bromo Standards
- 4-bromo-1-(difluoromethoxy)-2-isopropylbenzene (CAS 1062616-03-8)
- 1-Bromo-4-butoxy-2,5-difluorobenzene (CAS 1235548-06-7)
- 1-Bromo-2-butoxy-3,5-difluorobenzene (CAS 1309932-84-0)
- 5-Bromo-2-butoxy-1,3-difluorobenzene (CAS 1309932-85-1)
- 5-Bromo-1,3-difluoro-2-(2-methylpropoxy)benzene (CAS 1309933-03-6)
- 1-Bromo-3,5-difluoro-2-isobutoxybenzene (CAS 1309933-15-0)
- 1-Bromo-4,5-difluoro-2-isobutoxybenzene (CAS 1309933-65-0)
- 1-Bromo-3-butoxy-2,4-difluorobenzene (CAS 1881290-22-7)
Recommended Standards
- 1-Bromo-2,4-difluoro-3-(2-methylpropoxy)benzene (CAS 1881293-07-7)
- 5-Chloro-2-(2-chlorophenyl)-6-oxo-1,6-dihydropyridine-3-carbonitrile (CAS 1707581-48-3)
- 1-(4-Bromobutoxy)-2,4-difluorobenzene (CAS 188174-55-2)
- (1-((2,6-Dichloro-5-methoxypyrimidin-4-yl)oxy)cyclopropyl)methanol (CAS 1572048-46-4)
- 2-Amino-N-((3-(methylthio)pyrazin-2-yl)methyl)acetamide (CAS 1353989-28-2)
- 3-Fluoro-4-formylpicolinic acid (CAS 1289207-80-2)
- 2-Bromo-6-methoxyquinazoline (CAS 1379334-93-6)
- 1-(2-Chloroallyl)-2-methylbenzene (CAS 731772-12-6)
- N-(4-(Dimethylamino)benzyl)-1,5-dimethyl-1H-pyrazol-4-amine dihydrochloride (CAS 1856092-84-6)
- 2-(2,4-Difluoro-5-methylphenyl)acetic acid (CAS 367955-02-0)
- 8-nitro-3H-quinazolin-4-one (CAS 53638-54-3)
- Pent-4-en-1-ylbenzene (CAS 1075-74-7)
- N'-(Furan-2-ylmethylene)heptanehydrazide (CAS 330672-96-3)
- Semaglutide impurity 72 (CAS CATO-C4X-222672)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com