1-Bromo-1,1-difluoropentane-2,4-dione CAS 164342-73-8
| CAS No. | 164342-73-8 |
| Molecular Formula | C5H5BrF2O2 |
| Molecular Weight | 214.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Bromo-1,1-difluoropentane-2,4-dione (CAS 164342-73-8) is a high-purity analytical reference standard with the molecular formula C5H5BrF2O2 and a molecular weight of 214.99 g/mol.
Structurally, 1-Bromo-1,1-difluoropentane-2,4-dione (C5H5BrF2O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 214.99 g/mol, it falls into the medium-molecular-weight range. 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-Bromo-1,1-difluoropentane-2,4-dione 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 | C5H5BrF2O2 |
| Molecular Weight | 214.99 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 | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F/Br-containing |
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