5-Chloro-1-(2,4-dichlorobenzyl)-N-(3,5-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide CAS 242797-25-7
| CAS No. | 242797-25-7 |
| Molecular Formula | C19H11Cl5N2O2 |
| Molecular Weight | 476.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-Chloro-1-(2,4-dichlorobenzyl)-N-(3,5-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide.
5-Chloro-1-(2,4-dichlorobenzyl)-N-(3,5-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 242797-25-7) is a high-purity analytical reference standard with the molecular formula C19H11Cl5N2O2 and a molecular weight of 476.57 g/mol.
Based on its molecular formula C19H11Cl5N2O2, 5-Chloro-1-(2,4-dichlorobenzyl)-N-(3,5-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide 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 476.57 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.
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.
Physical & Chemical Properties
| Molecular Formula | C19H11Cl5N2O2 |
| Molecular Weight | 476.57 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 5-Chloro-3H-2-benzofuran-1-one (CAS 54109-03-4)
- 2-Chloro-6-hydrazinylpyridine-4-carbonitrile (CAS 107445-56-7)
- 2-(Methyl(pentyl)amino)-2-oxoacetic acid (CAS 934489-54-0)
- 2-amino-N-[3-(pyrrolidin-1-yl)phenyl]propanamide (CAS 1218334-66-7)
- 3-Fluoro-2-(piperazin-1-yl)benzaldehyde (CAS 883543-00-8)
- 3-Aminopentanoic acid (CAS 18664-78-3)
- (R)-tert-butyl (1-((5-bromopyridin-3-yl)oxy)-3-(1H-indol-3-yl)propan-2-yl)carbamate (CAS 882169-92-8)
- N-Benzyl-1-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-5-(trifluoromethyl)-1H-pyrazole-4-carboxamide (CAS 321848-18-4)
- Mast Cell Degranulating (MCD) Peptide (CAS 32908-73-9)
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