Ethyl 4-oxo-1,4-dihydroquinoline-3-carboxylate

4-氧代-1,4-二氢喹啉-3-羧酸乙酯

Also known as: 1,4-Dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester, Ethyl 4-hydroxy-3-quinolinecarboxylate, 3-(Carboethoxy)-4-hydroxyquinoline, 3-Ethoxycarbonyl-4-hydroxyquinoline, 3-Ethoxycarbonyl-4-quinolone, 4-Hydroxy-3-ethoxycarbonylquinoline, 4-Hydroxyquinoline-3-carboxylic acid ethyl ester, 4-Oxo-1,4-dihydro-quinoline-3-carboxylic acid ethyl ester, Ethyl 4-oxo-1,4-dihydro-3-quinolinecarboxylate, Ethyl 1,4-dihydro-4-oxo-3-quinolinecarboxylate, Ethyl 1,4-dihydro-4-oxoquinoline-3-carboxylate, quinolin-4(1H)-on-3-carboxylic acid ethyl ester, quinolin-4(1H)-one-3-carboxylic acid ethyl ester

Ethyl 4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 52980-28-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO3 and a molecular weight of 217.221 g/mol. It is also known as 1,4-Dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester, Ethyl 4-hydroxy-3-quinolinecarboxylate and 3-(Carboethoxy)-4-hydroxyquinoline. Key properties include a melting point of 270ºC, a boiling point of 334.9±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 156.4±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

52980-28-6

Jingsj CID

J-1099502-6

Molecular Formula

C₁₂H₁₁NO₃

Chinese Name

4-氧代-1,4-二氢喹啉-3-羧酸乙酯

Molecular Weight

217.221 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026