(3Z)-3-[2-oxo-2-(pyridin-4-yl)ethylidene]-3,4-dihydro-1H-quinoxalin-2-one

(3Z)-3-[2-氧代-2-(吡啶-4-基)亚乙基]-3,4-二氢-1H-喹喔啉-2-酮

Also known as: 3-(2-OXO-2-PYRIDIN-4-YL-ETHYLIDENE)-3,4-DIHYDRO-1H-QUINOXALIN-2-ONE, (3Z)-3-[2-oxo-2-(pyridin-4-yl)ethylidene]-1,2,3,4-tetrahydroquinoxalin-2-one, 2(1H)-Quinoxalinone, 3,4-dihydro-3-[2-oxo-2-(4-pyridinyl)ethylidene]-, 3-(2-Oxo-2-(pyridin-4-yl)ethylidene)-3,4-dihydroquinoxalin-2(1H)-one

(3Z)-3-[2-oxo-2-(pyridin-4-yl)ethylidene]-3,4-dihydro-1H-quinoxalin-2-one (CAS 904818-35-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C15H11N3O2 and a molecular weight of 265.26700 g/mol. It is also known as 3-(2-OXO-2-PYRIDIN-4-YL-ETHYLIDENE)-3,4-DIHYDRO-1H-QUINOXALIN-2-ONE, (3Z)-3-[2-oxo-2-(pyridin-4-yl)ethylidene]-1,2,3,4-tetrahydroquinoxalin-2-one and 2(1H)-Quinoxalinone, 3,4-dihydro-3-[2-oxo-2-(4-pyridinyl)ethylidene]-. Key properties include a boiling point of 500ºC at 760mmHg, a density of 1.362g/cm3 and a flash point of 256.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

904818-35-5

Jingsj CID

J-1360821-1

Molecular Formula

C₁₅H₁₁N₃O₂

Chinese Name

(3Z)-3-[2-氧代-2-(吡啶-4-基)亚乙基]-3,4-二氢-1H-喹喔啉-2-酮

Molecular Weight

265.26700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026