| CAS No. | 338391-63-2 |
| Molecular Formula | C26H20ClF3N4O3 |
| Molecular Weight | 528.91 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-(4-Chlorophenyl)-N-[(1E)-{[(4-methoxyphenyl)methoxy]imino}methyl]-2-[3-(trifluoromethyl)quinoxalin-2-yl]acetamide (CAS 338391-63-2) is a high-purity analytical reference standard with the molecular formula C26H20ClF3N4O3 and a molecular weight of 528.91 g/mol.
Based on its molecular formula C26H20ClF3N4O3, 2-(4-Chlorophenyl)-N-[(1E)-{[(4-methoxyphenyl)methoxy]imino}methyl]-2-[3-(trifluoromethyl)quinoxalin-2-yl]acetamide 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 528.91 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).
CATO manufactures 2-(4-Chlorophenyl)-N-[(1E)-{[(4-methoxyphenyl)methoxy]imino}methyl]-2-[3-(trifluoromethyl)quinoxalin-2-yl]acetamide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C26H20ClF3N4O3 |
| Molecular Weight | 528.91 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |