Ethyl 7-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylate CAS 929973-75-1
| CAS No. | 929973-75-1 |
| Molecular Formula | C13H13NO3 |
| Molecular Weight | 231.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Ethyl 7-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylate (CAS 929973-75-1), a certified reference material (molecular formula C13H13NO3, MW 231.25 g/mol) for analytical method development and quality control.
The molecular framework of Ethyl 7-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylate (C13H13NO3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Ethyl 7-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H13NO3 |
| Molecular Weight | 231.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Ethyl 7-Methoxyquinoline-3-carboxylate (CAS 71082-46-7)
- Ethyl 7-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 77721-00-7)
- Ethyl 6-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 79607-24-2)
- Ethyl 8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 77156-75-3)
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