5-(Bromomethyl)furan-2(5H)-one CAS 78508-87-9
| CAS No. | 78508-87-9 |
| Molecular Formula | C5H5BrO2 |
| Molecular Weight | 177.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(Bromomethyl)furan-2(5H)-one is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(Bromomethyl)furan-2(5H)-one (CAS 78508-87-9) is a high-purity analytical reference standard with the molecular formula C5H5BrO2 and a molecular weight of 177.00 g/mol.
Based on its molecular formula C5H5BrO2, 5-(Bromomethyl)furan-2(5H)-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 177.00 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.
As a certified reference material (CRM), 5-(Bromomethyl)furan-2(5H)-one 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 | C5H5BrO2 |
| Molecular Weight | 177.00 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 | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Br-containing |
Related Bromomethyl Standards
- 2-(Bromomethyl)-5-methyl-1,3,4-oxadiazole (CAS 944059-14-7)
- 3-(Bromomethyl)-4-methyl-1,2,5-oxadiazole (CAS 90507-32-7)
- 3-(Bromomethyl)-5-methyl-1,2,4-oxadiazole (CAS 959406-40-7)
- 3-(Bromomethyl)furan-2(5H)-one (CAS 58588-90-2)
- 4-(Bromomethyl)furan-2(5H)-one (CAS 61934-55-2)
- 5-(Bromomethyl)-3-methyl-1,2,4-oxadiazole (CAS 875644-71-6)
- 4-(bromomethyl)-3,6-dihydro-2H-pyran (CAS 115198-12-4)
- (3R)-3-(bromomethyl)cyclopentan-1-one (CAS 2165611-11-8)
Recommended Standards
- 5-bromo-2,3-dihydropyran-4-one (CAS 359688-89-4)
- 5-(2-Bromoethyl)-1H-tetrazole (CAS 82049-79-4)
- 5-Bromo-2-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS 623577-53-7)
- 4-Bromo-5-methylisoxazol-3-amine (CAS 5819-40-9)
- Ethyl 4-oxo-4-((2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)amino)butanoate (CAS 1207023-88-8)
- 6-(1H-1,2,4-Triazol-1-yl)-9H-purine (CAS 165546-19-0)
- 2-Chloro-5-(difluoromethyl)-3-nitropyridine (CAS 1805302-57-1)
- Methyl 6-formyl-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-2-carboxylate (CAS 1823530-02-4)
- Erigeroster B (CAS 849777-61-3)
- 4-(4-Amino-2-(trifluoromethyl)phenoxy)-N-methylbenzenesulfonamide (CAS 1858251-99-6)
- (E)-{[6-(4-chlorobenzenesulfinyl)pyridin-3-yl]methylidene}[(2,4-dichlorophenyl)methoxy]amine (CAS 338967-00-3)
- 6-Amino-9H-purine-9-carbaldehyde (CAS 10184-51-7)
- 9-Anthracenecarboxylic acid, 97% (CAS 723-62-6)
- Semaglutide impurity 47 (CAS CATO-C4X-222647)
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