| CAS No. | 672949-08-5 |
| Molecular Formula | C19H15Cl2NO2S |
| Molecular Weight | 392.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
3-(2,4-Dichlorobenzyl)-4-hydroxy-1-(3-(methylthio)phenyl)pyridin-2(1H)-one (CAS 672949-08-5), molecular formula C19H15Cl2NO2S and molecular weight 392.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H15Cl2NO2S, 3-(2,4-Dichlorobenzyl)-4-hydroxy-1-(3-(methylthio)phenyl)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 392.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
| Molecular Formula | C19H15Cl2NO2S |
| Molecular Weight | 392.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |