Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate

Also known as: Ethyl 2,4-dioxo-4-(2-thienyl)butanoate, Ethyl 2,4-dioxo-4-(thien-2-yl)butanoate, Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate, Ethyl 2,4-dioxo-4-(2-thienyl)butyrate, Ethyl 2,4-dioxo-4-thiophen-2-ylbutanoate, Ethyl 2-thenoylpyruvate, Ethyl 2-thionylpyruvate, 2-Thiophenebutanoic acid, α,γ-dioxo-, ethyl ester, Ethyl α,γ-dioxo-2-thiophenebutanoate, AKOS MSC-0268, 2,4-Dioxo-4-Thiophen-2-yl-Butyric Acid Ethyl Est, Ethyl 3-(2-thenoyl)pyruvate

Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate (CAS 36983-36-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10O4S and a molecular weight of 226.24900 g/mol. Key properties include a melting point of 34ºC, a boiling point of 375.9ºC at 760mmHg, a density of 1.277g/cm3 and a flash point of 181.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 36983-36-5
Jingsj CID: J-1329586-8
Molecular Formula: C₁₀H₁₀O₄S
Molecular Weight: 226.24900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	34ºC
Boiling Point	375.9ºC at 760mmHg
Density	1.277g/cm3
Flash Point	181.1ºC
Exact Mass	226.03000
PSA	88.68000
LogP	1.45310
Refractive Index	1.533

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate?

The CAS number of Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate is 36983-36-5.

What are the molecular formula and molecular weight of Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate?

Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate has molecular formula C10H10O4S and molecular weight 226.24900 g/mol.

What are the upstream and downstream products of Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate?

For Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate, Upstream Products: 2-Acetylthiophene, Diethyl oxalate, 2-Acetyl-5-bromothiophene; Downstream Products: 4-Thien-2-yl-2,4-dioxobutanoic acid, 5-(2-Thienyl)isoxazole-3-carbaldehyde, Ethyl 5-(thiophen-2-yl)isoxazole-3-carboxylate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Ethyl 2,4-dioxo-4-(thiophen-2-yl)butanoate (CAS 36983-36-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1329586-8 (accessed 2026-11-09).

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