(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate

(E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯

Also known as: Ethyl (2E)-4-(3,4-dimethoxyphenyl)-4-oxobut-2-enoate, (E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxobut-2-enoate, Ethyl 4-(3,4-dimethoxyphenyl)-4-oxycrotonate, VAC, (E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxocrotonate, (E)-4-(3,4-dimethoxyphenyl)-4-oxocrotonic acid ethyl ester

(E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxo-2-butenoate (CAS 80937-23-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H16O5 and a molecular weight of 264.27400 g/mol. It is also known as Ethyl (2E)-4-(3,4-dimethoxyphenyl)-4-oxobut-2-enoate, (E)-Ethyl 4-(3,4-dimethoxyphenyl)-4-oxobut-2-enoate and Ethyl 4-(3,4-dimethoxyphenyl)-4-oxycrotonate. Key properties include a melting point of 87.0-91.0ºC, a boiling point of 393.2ºC at 760 mmHg, a density of 1.138g/cm3 and a flash point of 208.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

80937-23-1

Jingsj CID

J-994170-0

Molecular Formula

C₁₄H₁₆O₅

Chinese Name

(E)-4-(3,4-二甲氧基苯基)-4-氧代-2-丁烯酸乙酯

Molecular Weight

264.27400 g/mol

Category

Organic Acids

Last updated

8/21/2026