1-Bromo-4-methoxybutane CAS 4457-67-4
| CAS No. | 4457-67-4 |
| Molecular Formula | C5H11BrO |
| Molecular Weight | 167.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Bromo-4-methoxybutane is closely related to a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 1-Bromo-4-methoxybutane (CAS 4457-67-4), a certified reference material (molecular formula C5H11BrO, MW 167.04 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H11BrO, 1-Bromo-4-methoxybutane contains a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 167.04 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.
CATO manufactures 1-Bromo-4-methoxybutane 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 | C5H11BrO |
| Molecular Weight | 167.04 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-3-methoxy-2-methylpropane (CAS 112889-79-9)
- 1-Bromo-3-methyl-2-butanol (CAS 1438-12-6)
- 1-Bromo-2-methoxy-2-methylpropane (CAS 19752-21-7)
- 1-bromo-2-methoxybutane (CAS 24618-34-6)
- 1-Bromo-3-ethoxypropane (CAS 36865-40-4)
- 2-Bromo-1-methoxybutane (CAS 24618-35-7)
- 2-bromo-3-methoxybutane (CAS 24618-36-8)
- 3-Bromo-1-methoxybutane (CAS 53424-50-3)
Recommended Standards
- 1-Bromopentan-2-ol (CAS 26818-03-1)
- 2-(2-Bromoethoxy)propane (CAS 54149-16-5)
- 1-(Bromomethoxy)butane (CAS 59375-51-8)
- 1-(2-Bromoethoxy)propane (CAS 64994-49-6)
- 4-Ethoxy-2,5-difluorophenol (CAS 612092-32-7)
- 3,4-Dimethoxy-5-[(1e)-prop-1-en-1-yl]benzoic acid (CAS 877041-35-5)
- 2-Propenoic acid, 2-ethylhexyl ester, polymer with ethenyl acetate and N-(hydroxymethyl)-2-propenamide (CAS 26471-46-5)
- Aceclofenac Impurity 21 (CAS CATO-C4X-153121)
- 5,10-Bis(4-(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl)-5,10-dihydrophenazine (CAS 1638702-85-8)
- Thiophen-2-yl(2-(trifluoromethyl)quinolin-3-yl)methanone (CAS 1380602-47-0)
- (2-Chloro-3-fluorophenyl)methanamine (CAS 72235-54-2)
- 4-(3-((4-Chlorophenyl)sulfonyl)-2-hydroxypropoxy)benzonitrile (CAS 478079-79-7)
- 1-(1-(4-Bromobenzyl)-5-methyl-1H-1,2,3-triazol-4-yl)ethan-1-ol (CAS 1017782-60-3)
- D-Ala35-Tirzepatide (CAS CATO-CPTD788904)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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