N-benzyl-1-(2,6-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide CAS 338754-60-2
| CAS No. | 338754-60-2 |
| Molecular Formula | C20H16Cl2N2O2 |
| Molecular Weight | 387.26 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 N-benzyl-1-(2,6-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide.
N-benzyl-1-(2,6-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 338754-60-2), molecular formula C20H16Cl2N2O2 and molecular weight 387.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, N-benzyl-1-(2,6-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (C20H16Cl2N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 387.26 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C20H16Cl2N2O2 |
| Molecular Weight | 387.26 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, 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 |
Recommended Standards
- N-(1-(2,6-dichlorobenzyl)-2-oxo-1,2-dihydropyridin-3-yl)-4-methylbenzamide (CAS 338784-51-3)
- N-benzyl-1-(2,6-dichlorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 339008-65-0)
- 5-Chloro-1-(4-chlorobenzyl)-N-methyl-6-oxo-N-phenyl-1,6-dihydropyridine-3-carboxamide (CAS 339024-77-0)
- N-benzyl-1-(3,4-dichlorobenzyl)-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 338754-35-1)
- 4-(3-(4-Methoxyphenyl)pyridazino[4,3-c]isoquinolin-6-yl)morpholine (CAS 96825-92-2)
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