4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione

4,6,7,8-四氢-2,5(1H,3H)-喹啉二酮

Also known as: 1,3,4,6,7,8-hexahydroquinoline-2,5-dione, 2,5-Dioxo-1,2,3,4,5,6,7,8-octahydroquinoline, 3,4,7,8-Tetrahydroquinoline-2,5(1H,6H)-dione, 4,6,7,8-TETRAHYDRO-1H,3H-QUINOLINE-2,5-DIONE, 4,6,7,8-TETRAHYDRO-2,5(1H,3H)-QUINOLINEDIONE, Carteolol EP Impurity A, NSC 160504

4,6,7,8-Tetrahydro-2,5(1H,3H)-quinolinedione (CAS 5057-12-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11NO2 and a molecular weight of 165.18900 g/mol. It is also known as 1,3,4,6,7,8-hexahydroquinoline-2,5-dione, 2,5-Dioxo-1,2,3,4,5,6,7,8-octahydroquinoline and 3,4,7,8-Tetrahydroquinoline-2,5(1H,6H)-dione. Key properties include a melting point of 196-198ºC, a boiling point of 411.4ºC at 760 mmHg, a density of 1.22 g/cm3 and a flash point of 197.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5057-12-5

Jingsj CID

J-1430456-3

Molecular Formula

C₉H₁₁NO₂

Chinese Name

4,6,7,8-四氢-2,5(1H,3H)-喹啉二酮

Molecular Weight

165.18900 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026