3,3-Difluoro-4-Methyl-2-Oxopentanoic Acid CAS 165544-39-8
| CAS No. | 165544-39-8 |
| Molecular Formula | C6H8F2O3 |
| Molecular Weight | 166.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,3-Difluoro-4-Methyl-2-Oxopentanoic Acid (CAS 165544-39-8) is a high-purity analytical reference standard with the molecular formula C6H8F2O3 and a molecular weight of 166.12 g/mol.
Structurally, 3,3-Difluoro-4-Methyl-2-Oxopentanoic Acid (C6H8F2O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine 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 166.12 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.
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), 3,3-Difluoro-4-Methyl-2-Oxopentanoic Acid 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 | C6H8F2O3 |
| Molecular Weight | 166.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | F-containing |
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