| CAS No. | 31058-93-2 |
| Molecular Formula | C5H7BrO |
| Molecular Weight | 163.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2-Bromo-3-methylbut-2-enal (CAS 31058-93-2), molecular formula C5H7BrO and molecular weight 163.01 g/mol, is a CATO reference standard with documented purity and traceability.
2-Bromo-3-methylbut-2-enal (C5H7BrO) contains a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C5H7BrO |
| Molecular Weight | 163.01 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) | 2.0 |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |