Ethyl 7-(2,6-dimethylpyridin-4-yl)-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate CAS 40034-74-0

Purity 97%+In StockPharmaceutical Standards
CAS No.40034-74-0
Molecular FormulaC21H22N2O3
Molecular Weight350.41 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Ethyl 7-(2,6-dimethylpyridin-4-yl)-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate CAS 40034-74-0 chemical structure

Description

Based on its molecular formula C21H22N2O3, Ethyl 7-(2,6-dimethylpyridin-4-yl)-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 350.41 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).

CATO supplies Ethyl 7-(2,6-dimethylpyridin-4-yl)-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 40034-74-0), a certified reference material (molecular formula C21H22N2O3, MW 350.41 g/mol) for analytical method development and quality control.

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.

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 FormulaC21H22N2O3
Molecular Weight350.41 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)12.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Nitrogen Atoms2

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