Ethyl 2-{3-[(2,4-dichlorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydropyridin-1-yl}acetate CAS 478045-88-4
| CAS No. | 478045-88-4 |
| Molecular Formula | C16H15Cl2NO4 |
| Molecular Weight | 356.20 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 Ethyl 2-{3-[(2,4-dichlorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydropyridin-1-yl}acetate.
Ethyl 2-{3-[(2,4-dichlorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydropyridin-1-yl}acetate (CAS 478045-88-4), molecular formula C16H15Cl2NO4 and molecular weight 356.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H15Cl2NO4, Ethyl 2-{3-[(2,4-dichlorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydropyridin-1-yl}acetate contains a flavonoid 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 356.20 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.
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.
CATO manufactures Ethyl 2-{3-[(2,4-dichlorophenyl)methyl]-4-hydroxy-2-oxo-1,2-dihydropyridin-1-yl}acetate 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 | C16H15Cl2NO4 |
| Molecular Weight | 356.20 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
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Why CATO?
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