1-(2,4-Dichlorobenzyl)-3-(4-ethyl-5-((2-oxo-2-phenylethyl)thio)-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one CAS 477853-24-0
| CAS No. | 477853-24-0 |
| Molecular Formula | C24H20Cl2N4O2S |
| Molecular Weight | 499.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(2,4-Dichlorobenzyl)-3-(4-ethyl-5-((2-oxo-2-phenylethyl)thio)-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one (CAS 477853-24-0) is a high-purity analytical reference standard with the molecular formula C24H20Cl2N4O2S and a molecular weight of 499.41 g/mol.
Based on its molecular formula C24H20Cl2N4O2S, 1-(2,4-Dichlorobenzyl)-3-(4-ethyl-5-((2-oxo-2-phenylethyl)thio)-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 499.41 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.
Physical & Chemical Properties
| Molecular Formula | C24H20Cl2N4O2S |
| Molecular Weight | 499.41 g/mol |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Dichlorobenzyl Standards
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Recommended Standards
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