Ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate

Also known as: 3-Thiophenecarboxylic acid, 5-[2-(acetyloxy)ethyl]-4-methyl-, ethyl ester, 5-[2-(Acetyloxy)ethyl]-4-methyl-3-thiophenecarboxylic acid ethyl ester, ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate, ethyl 5-(2-acetyloxyethyl)-4-methylthiophene-3-carboxylate

Ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate (CAS 19156-47-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H16O4S and a molecular weight of 256.31800 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19156-47-9
Jingsj CID: J-1514150-1
Molecular Formula: C₁₂H₁₆O₄S
Molecular Weight: 256.31800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	256.07700
PSA	80.84000
LogP	2.33880

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 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate?

The CAS number of Ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate is 19156-47-9.

What are the molecular formula and molecular weight of Ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate?

Ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate has molecular formula C12H16O4S and molecular weight 256.31800 g/mol.

What are the upstream and downstream products of Ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate?

For Ethyl 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate, Upstream Products: 2-Acetylbutyrolactone, 3-chloro-5-hydroxy-2-pentanone, Ethyl cyanoacetate; Downstream Products: 2-(4-Formyl-3-methylthiophen-2-yl)ethyl acetate.

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 5-(2-acetoxyethyl)-4-methylthiophene-3-carboxylate (CAS 19156-47-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1514150-1 (accessed 2026-11-09).

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