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5-(Methoxycarbonyl)thiophene-2-carboxylic acid

Also known as: 2,5-Thiophenedicarboxylic acid, 2-methyl ester, 2,5-Thiophenedicarboxylicacid,monomethylester, 2-Methyl 2,5-thiophenedicarboxylate, 5-methoxycarbonyl-2-thiophenecarboxylic acid, 5-methoxycarbonylthiophene-2-carboxylic acid, Thiophen-2,5-dicarbonsaeure-monomethylester, Thiophene-2,5-dicarboxylic acid monomethyl ester, thiophene-2,5-dicarboxylic acid 2-methylester

5-(Methoxycarbonyl)thiophene-2-carboxylic acid (CAS 50340-79-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6O4S and a molecular weight of 186.18500 g/mol. Key property: a melting point of 193-197°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
50340-79-9
Jingsj CID
J-10504-4
Molecular Formula
C7H6O4S
Molecular Weight
186.18500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point193-197°C
Exact Mass185.99900
PSA91.84000
LogP1.23290
Storage Conditions2-8°C

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 5-(Methoxycarbonyl)thiophene-2-carboxylic acid?

The CAS number of 5-(Methoxycarbonyl)thiophene-2-carboxylic acid is 50340-79-9.

What are the molecular formula and molecular weight of 5-(Methoxycarbonyl)thiophene-2-carboxylic acid?

5-(Methoxycarbonyl)thiophene-2-carboxylic acid has molecular formula C7H6O4S and molecular weight 186.18500 g/mol.

What are the upstream and downstream products of 5-(Methoxycarbonyl)thiophene-2-carboxylic acid?

For 5-(Methoxycarbonyl)thiophene-2-carboxylic acid, Upstream Products: 2,5-Thiophenedicarboxylic acid dimethyl ester, thiophene-2,5-dicarboxylic acid, iodomethane; Downstream Products: Methyl 5-(2-bromoacetyl)thiophene-2-carboxylate, 2,5-Thiophenedicarboxylic acid dimethyl ester.

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

Last updated:

How to cite: Jingsj. "5-(Methoxycarbonyl)thiophene-2-carboxylic acid (CAS 50340-79-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10504-4 (accessed 2026-11-09).

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