N-benzyl-1-(4-chlorobenzyl)-2-oxo-6-(trifluoromethyl)-1,2-dihydropyridine-3-carboxamide CAS 551921-71-2
| CAS No. | 551921-71-2 |
| Molecular Formula | C21H16ClF3N2O2 |
| Molecular Weight | 420.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
N-benzyl-1-(4-chlorobenzyl)-2-oxo-6-(trifluoromethyl)-1,2-dihydropyridine-3-carboxamide (CAS 551921-71-2), molecular formula C21H16ClF3N2O2 and molecular weight 420.81 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H16ClF3N2O2, N-benzyl-1-(4-chlorobenzyl)-2-oxo-6-(trifluoromethyl)-1,2-dihydropyridine-3-carboxamide 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 420.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures N-benzyl-1-(4-chlorobenzyl)-2-oxo-6-(trifluoromethyl)-1,2-dihydropyridine-3-carboxamide 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.
Physical & Chemical Properties
| Molecular Formula | C21H16ClF3N2O2 |
| Molecular Weight | 420.81 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- N-[(4-Chlorophenyl)methyl]-2-oxo-1-{[4-(trifluoromethyl)phenyl]methyl}-1,2-dihydropyridine-3-carboxamide (CAS 338782-35-7)
- N-Benzyl-5-chloro-6-oxo-1-{[3-(trifluoromethyl)phenyl]methyl}-1,6-dihydropyridine-3-carboxamide (CAS 339024-21-4)
- N-(4-chlorobenzyl)-4-((2-oxo-5-(trifluoromethyl)pyridin-1(2H)-yl)methyl)benzamide (CAS 339025-02-4)
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Why CATO?
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