Ethyl 1-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylate CAS 60442-66-2
| CAS No. | 60442-66-2 |
| Molecular Formula | C13H13NO3 |
| Molecular Weight | 231.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 1-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylate (CAS 60442-66-2), a certified reference material (molecular formula C13H13NO3, MW 231.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H13NO3, Ethyl 1-methyl-4-oxo-1,4-dihydroquinoline-2-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 231.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Ethyl 1-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.) | 1974 |
| Nitrogen Atoms | 1 |
Recommended Standards
- Ethyl 1-(pyridin-3-ylmethyl)-1H-pyrazole-5-carboxylate (CAS 2250241-82-6)
- Ethyl 1-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 23789-85-7)
- Ethyl 1-(pyridin-3-ylmethyl)-1H-pyrazole-3-carboxylate (CAS 2250242-67-0)
- Ethyl 2-(2-methyl-1h-indol-3-yl)-2-oxoacetate (CAS 6628-34-8)
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Why CATO?
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