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Ethyl 4-ethoxy-2-oxobut-3-enoate

Also known as: ethyl 4-ethoxy-2-oxo-3-butenoate, ethyl ethoxymethylenepyruvate, ethyl (E)-4-ethoxy-2-oxobut-3-enoate, 3-Butenoic acid, 4-ethoxy-2-oxo-, ethyl ester

Ethyl 4-ethoxy-2-oxobut-3-enoate (CAS 76240-19-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H12O4 and a molecular weight of 172.17800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
76240-19-2
Jingsj CID
J-1501973-5
Molecular Formula
C8H12O4
Molecular Weight
172.17800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass172.07400
PSA52.60000
LogP0.66880
Storage Conditions2-8°C

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Ethyl 4-ethoxy-2-oxobut-3-enoate?

The CAS number of Ethyl 4-ethoxy-2-oxobut-3-enoate is 76240-19-2.

What are the molecular formula and molecular weight of Ethyl 4-ethoxy-2-oxobut-3-enoate?

Ethyl 4-ethoxy-2-oxobut-3-enoate has molecular formula C8H12O4 and molecular weight 172.17800 g/mol.

What are the upstream and downstream products of Ethyl 4-ethoxy-2-oxobut-3-enoate?

For Ethyl 4-ethoxy-2-oxobut-3-enoate, Upstream Products: Ethyl oxalyl monochloride, Ethyl vinyl ether; Downstream Products: Methyl 1H-pyrazole-3-carboxylate, Ethyl 1H-pyrazole-3-carboxylate, ethyl 2-methylpyrimidine-4-carboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Ethyl 4-ethoxy-2-oxobut-3-enoate (CAS 76240-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1501973-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.