(2E)-2,3-Difluoro-1-Phenyl-2-Buten-1-One CAS 366799-74-8
| CAS No. | 366799-74-8 |
| Molecular Formula | C10H8F2O |
| Molecular Weight | 182.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2E)-2,3-Difluoro-1-Phenyl-2-Buten-1-One (CAS 366799-74-8) is a high-purity analytical reference standard with the molecular formula C10H8F2O and a molecular weight of 182.17 g/mol.
Owing to a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system, (2E)-2,3-Difluoro-1-Phenyl-2-Buten-1-One is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 182.17 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (2E)-2,3-Difluoro-1-Phenyl-2-Buten-1-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 | C10H8F2O |
| Molecular Weight | 182.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
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