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Methyl 5-acetylthiophene-2-carboxylate

Also known as: 5-acetyl-2-thiophenecarboxylic acid methyl ester, 5-acetyl-thiophene-2-carboxylic acid methyl ester, Methyl 5-acetylthiophen-2-carboxylate, methyl 2-acetylthiophene-5-carboxylate, methyl 5-acetyl-2-thiophene-carboxylate, methyl 5-ethanoylthiophene-2-carboxylate

Methyl 5-acetylthiophene-2-carboxylate (CAS 4101-81-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8O3S and a molecular weight of 184.21200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4101-81-9
Jingsj CID
J-1340574-8
Molecular Formula
C8H8O3S
Molecular Weight
184.21200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass184.01900
PSA71.61000
LogP1.73730

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 Methyl 5-acetylthiophene-2-carboxylate?

The CAS number of Methyl 5-acetylthiophene-2-carboxylate is 4101-81-9.

What are the molecular formula and molecular weight of Methyl 5-acetylthiophene-2-carboxylate?

Methyl 5-acetylthiophene-2-carboxylate has molecular formula C8H8O3S and molecular weight 184.21200 g/mol.

What are the upstream and downstream products of Methyl 5-acetylthiophene-2-carboxylate?

For Methyl 5-acetylthiophene-2-carboxylate, Upstream Products: 5-Acetylthiophene-2-carboxylic acid, iodomethane, (Trimethylsilyl)diazomethane; Downstream Products: Methyl 5-(2-bromoacetyl)thiophene-2-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. "Methyl 5-acetylthiophene-2-carboxylate (CAS 4101-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340574-8 (accessed 2026-11-09).

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