N1-[2-(2,4-difluorophenoxy)-3-pyridyl]-2,3,3-trichloroacrylamide CAS 243644-40-8
| CAS No. | 243644-40-8 |
| Molecular Formula | C14H7Cl3F2N2O2 |
| Molecular Weight | 379.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
N1-[2-(2,4-difluorophenoxy)-3-pyridyl]-2,3,3-trichloroacrylamide (CAS 243644-40-8) is a high-purity analytical reference standard with the molecular formula C14H7Cl3F2N2O2 and a molecular weight of 379.57 g/mol.
Based on its molecular formula C14H7Cl3F2N2O2, N1-[2-(2,4-difluorophenoxy)-3-pyridyl]-2,3,3-trichloroacrylamide contains a nitrogen-containing heterocyclic scaffold, 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 379.57 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 | C14H7Cl3F2N2O2 |
| Molecular Weight | 379.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
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Recommended Standards
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