Methyl 2-{1-[(2,4-dichlorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-amido}benzoate CAS 338977-61-0
| CAS No. | 338977-61-0 |
| Molecular Formula | C21H16Cl2N2O4 |
| Molecular Weight | 431.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Methyl 2-{1-[(2,4-dichlorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-amido}benzoate (CAS 338977-61-0) is a high-purity analytical reference standard with the molecular formula C21H16Cl2N2O4 and a molecular weight of 431.27 g/mol.
Structurally, Methyl 2-{1-[(2,4-dichlorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-amido}benzoate (C21H16Cl2N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 431.27 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.
Physical & Chemical Properties
| Molecular Formula | C21H16Cl2N2O4 |
| Molecular Weight | 431.27 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 2-{[(3,4-dichlorophenyl)methyl]sulfanyl}-3-phenyl-6-(trifluoromethyl)-3,4-dihydropyrimidin-4-one (CAS 692287-47-1)
- N-(2,4-dichlorophenyl)-2-(3-(trifluoromethyl)benzyl)thiazole-4-carboxamide (CAS 478042-44-3)
- N-(2,5-dichlorophenyl)-2-(3-(trifluoromethyl)benzyl)thiazole-4-carboxamide (CAS 478042-53-4)
- N-(3,4-dichlorophenyl)-2-(3-(trifluoromethyl)benzyl)thiazole-4-carboxamide (CAS 478042-45-4)
- N-(3,5-Dichlorophenyl)-2-{[3-(trifluoromethyl)phenyl]methyl}-1,3-thiazole-4-carboxamide (CAS 478030-73-8)
- N-(3,5-dichlorophenyl)-4-methyl-2-(3-(trifluoromethyl)phenyl)thiazole-5-carboxamide (CAS 321429-63-4)
- N-(5-(1-(2,6-Dichlorophenyl)-3-(difluoromethyl)-1H-pyrazol-5-yl)thiazol-2-yl)isobutyramide (CAS 1338247-35-0)
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Recommended Standards
- Methyl 2-(1-(2,4-dichlorobenzyl)-6-oxo-1,6-dihydropyridine-3-carboxamido)benzoate (CAS 242797-49-5)
- Methyl 2-{5-chloro-1-[(3-chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-amido}benzoate (CAS 338977-31-4)
- Boc-(R)-γ-(4-iodo-benzyl)-L-proline (CAS 959573-98-9)
- Methyl 2-{5-chloro-1-[(4-chlorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-amido}benzoate (CAS 338977-29-0)
- N-Benzyl-4-iodo-3-methoxybenzenesulfonamide (CAS 886139-31-7)
- 6-Acetyl-2,2-dimethylchroman-4-one (CAS 68799-41-7)
- 4-(1,2,3,4-Tetrahydroquinolin-1-yl)benzoic acid (CAS 1036548-19-2)
- 1-(Difluoromethyl)-1h-pyrazole-5-carbonitrile (CAS 1229624-96-7)
- 1-((3-Bromo-4-fluorophenyl)sulfonyl)piperidin-4-ol (CAS 1446237-72-4)
- 2-(Bromomethyl)-3-(methylthio)pyrazine (CAS 1289385-55-2)
- 4-Amino-2-(trifluoromethyl)pyrimidine-5-carbonitrile (CAS 943-25-9)
- Argatroban Impurity N2 (CAS 79672-38-1)
- 3-(pyrazin-2-yl)propan-1-amine (CAS 370107-78-1)
- Pancreatic Polypeptide (rat) (CAS 90419-12-8)
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