| CAS No. | 343372-89-4 |
| Molecular Formula | C20H17Cl2NO2 |
| Molecular Weight | 374.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 374.26 g/mol gives 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one (CAS 343372-89-4), a certified reference material (molecular formula C20H17Cl2NO2, MW 374.26 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H17Cl2NO2, 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 374.26 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-(2,6-Dichlorobenzyl)-1-(4-methoxyphenyl)-2-methylpyridin-4(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C20H17Cl2NO2 |
| Molecular Weight | 374.26 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 |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |