| CAS No. | 28509-46-8 |
| Molecular Formula | C4H7BrO |
| Molecular Weight | 151.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 151.00 g/mol gives 4-Bromobutan-2-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 4-Bromobutan-2-one (CAS 28509-46-8), a certified reference material (molecular formula C4H7BrO, MW 151.00 g/mol) for analytical method development and quality control.
Owing to a hydroxyl group, an ether linkage, bromine substitution, 4-Bromobutan-2-one is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 151.00 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 4-Bromobutan-2-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.
| Molecular Formula | C4H7BrO |
| Molecular Weight | 151.00 g/mol |
| Purity | Technical Grade |
| 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) | 1.0 |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |