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Ethyl thiophene-3-carboxylate

Also known as: Ethyl 3-thenoate, Ethyl 3-thiophenecarboxylate, ethyl thiophen-3-carboxylate, thiophene-3-carboxylic acid ethyl ester, Ethyl thiophene-3-carboxylate, 98%, MFCD02179226, RARECHEM AL BI 0549

Ethyl thiophene-3-carboxylate (CAS 5751-80-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8O2S and a molecular weight of 156.20200 g/mol. Key properties include a boiling point of 207ºC, a density of 1.171g/cm3 and a flash point of 81.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5751-80-4
Jingsj CID
J-1391305-8
Molecular Formula
C7H8O2S
Molecular Weight
156.20200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point207ºC
Density1.171g/cm3
Flash Point81.9ºC
Exact Mass156.02500
PSA54.54000
LogP1.92480
Refractive Index1.509-1.511
Additional PropertySoluble in water.

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 thiophene-3-carboxylate?

The CAS number of Ethyl thiophene-3-carboxylate is 5751-80-4.

What are the molecular formula and molecular weight of Ethyl thiophene-3-carboxylate?

Ethyl thiophene-3-carboxylate has molecular formula C7H8O2S and molecular weight 156.20200 g/mol.

What are the upstream and downstream products of Ethyl thiophene-3-carboxylate?

For Ethyl thiophene-3-carboxylate, Upstream Products: Ethanol, Thiophene-3-carboxylic acid, 3-Bromothiophene; Downstream Products: thiophene-3-carbohydrazide, Ethyl 5-bromothiophene-3-carboxylate, 5-Ethylthiophene-3-carboxylic acid.

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 thiophene-3-carboxylate (CAS 5751-80-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1391305-8 (accessed 2026-11-09).

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