4-(1-ethylquinolin-2-ylidene)-1-phenylbut-2-en-1-one

(2E,4E)-4-(1-乙基喹啉-2(1H)-亚基)-1-苯基-2-丁烯-1-酮

Also known as: (2E,4E)-4-(1-ethylquinolin-2(1H)-ylidene)-1-phenylbut-2-en-1-one, 2-Buten-1-one, 4-(1-ethyl-2(1H)-quinolinylidene)-1-phenyl-, 4-(1-ethyl-1H-quinolin-2-ylidene)-1-phenyl-but-2-en-1-one

4-(1-ethylquinolin-2-ylidene)-1-phenylbut-2-en-1-one (CAS 53704-24-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H19NO and a molecular weight of 301.38200 g/mol. It is also known as (2E,4E)-4-(1-ethylquinolin-2(1H)-ylidene)-1-phenylbut-2-en-1-one, 2-Buten-1-one, 4-(1-ethyl-2(1H)-quinolinylidene)-1-phenyl- and 4-(1-ethyl-1H-quinolin-2-ylidene)-1-phenyl-but-2-en-1-one. Key properties include a boiling point of 454.3ºC at 760mmHg, a density of 1.152g/cm3 and a flash point of 172.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

53704-24-8

Jingsj CID

J-1162776-0

Molecular Formula

C₂₁H₁₉NO

Chinese Name

(2E,4E)-4-(1-乙基喹啉-2(1H)-亚基)-1-苯基-2-丁烯-1-酮

Molecular Weight

301.38200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026