| CAS No. | 477888-56-5 |
| Molecular Formula | C23H16ClF4NO3 |
| Molecular Weight | 465.82 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(2E)-1-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-3-{[4-(trifluoromethoxy)phenyl]amino}prop-2-en-1-one (CAS 477888-56-5) is a high-purity analytical reference standard with the molecular formula C23H16ClF4NO3 and a molecular weight of 465.82 g/mol.
(2E)-1-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-3-{[4-(trifluoromethoxy)phenyl]amino}prop-2-en-1-one (C23H16ClF4NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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 | C23H16ClF4NO3 |
| Molecular Weight | 465.82 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |