1,4-dibromo-2-butanol CAS 19398-47-1
| CAS No. | 19398-47-1 |
| Molecular Formula | C4H8Br2O |
| Molecular Weight | 231.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 231.91 g/mol gives 1,4-dibromo-2-butanol distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1,4-dibromo-2-butanol (CAS 19398-47-1) is a high-purity analytical reference standard with the molecular formula C4H8Br2O and a molecular weight of 231.91 g/mol.
Based on its molecular formula C4H8Br2O, 1,4-dibromo-2-butanol 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 231.91 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.
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), 1,4-dibromo-2-butanol 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 | C4H8Br2O |
| Molecular Weight | 231.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1962 |
| Halogen Content | Br-containing |
Related dibromo Standards
- 1,2-dibromo-1-ethoxyethane (CAS 2983-26-8)
- 1,3-Dibromo-2-methoxypropane (CAS 26581-42-0)
- 1,2-Dibromo-3-methylbutane (CAS 10288-13-8)
- 1,2-Dibromo-2-methylbutane (CAS 10428-64-5)
- 1,3-Dibromo-2,2-dimethylpropane (CAS 5434-27-5)
- 1,3-Dibromo-3-methylbutane (CAS 24443-15-0)
- 1,4-Dibromo-2-fluorobutane (CAS 112464-88-7)
- (2S)-1,4-dibromo-2-fluoro-Butane (CAS 1851424-13-9)
Recommended Standards
- (R)-1,4-Dibromobutan-2-ol 1360729-08-3 (CAS 1360729-08-3)
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- 1-bromo-2-bromoÂmethyl-3-hydroxy-propanÂe (CAS 106023-63-6)
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- 3-Chloro-5-hydroxypyridine 1-oxide (CAS 130115-93-4)
- Semaglutide Impurity 158 (x TFA Salt) (CAS CATO-C4X-2226158)
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