(E)-1-(4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)-3-(4-chlorophenyl)prop-2-en-1-one CAS 338401-30-2
| CAS No. | 338401-30-2 |
| Molecular Formula | C21H12Cl2F3NO2 |
| Molecular Weight | 438.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (E)-1-(4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)-3-(4-chlorophenyl)prop-2-en-1-one is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(E)-1-(4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)-3-(4-chlorophenyl)prop-2-en-1-one (CAS 338401-30-2), molecular formula C21H12Cl2F3NO2 and molecular weight 438.23 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H12Cl2F3NO2, (E)-1-(4-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenyl)-3-(4-chlorophenyl)prop-2-en-1-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 438.23 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C21H12Cl2F3NO2 |
| Molecular Weight | 438.23 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 |
| 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 |
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Recommended Standards
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- 2-(2,4-Dichlorophenyl)-1-{[3-(trifluoromethyl)phenyl]methoxy}-1H-imidazo[4,5-b]pyridine (CAS 338978-57-7)
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- N-((1-isopropylpyrrolidin-3-yl)methyl)thietan-3-amine (CAS 1864105-31-6)
- Spiro[benzo[d]imidazole-2,3'-pyrrole] (CAS 886493-06-7)
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