Methyl 4-aminothiophene-2-carboxylate

Also known as: 4-AMINO-THIOPHENE-2-CARBOXYLIC ACID METHYL ESTER, METHYL 4-AMINOTHIOPHENE-2-CARBOXYLATE, Methyl 4-amino-2-thiophenecarboxylate, 2-Thiophenecarboxylic acid, 4-amino-, methyl ester, 4-Amino-thiophene-2-carboxylic acid methyl ester, methyl 4-aminothiophene-2-carboxylate, methyl 4-aminothiophene-2

Methyl 4-aminothiophene-2-carboxylate (CAS 89499-43-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7NO2S and a molecular weight of 157.190 g/mol. Key properties include a melting point of 81-82ºC, a boiling point of 318.9±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 146.7±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89499-43-4
Jingsj CID: J-1139174-5
Molecular Formula: C₆H₇NO₂S
Molecular Weight: 157.190 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	81-82ºC
Boiling Point	318.9±22.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	146.7±22.3 °C
Exact Mass	157.019745
PSA	80.56000
LogP	0.62
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.598

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 Methyl 4-aminothiophene-2-carboxylate?

The CAS number of Methyl 4-aminothiophene-2-carboxylate is 89499-43-4.

What are the molecular formula and molecular weight of Methyl 4-aminothiophene-2-carboxylate?

Methyl 4-aminothiophene-2-carboxylate has molecular formula C6H7NO2S and molecular weight 157.190 g/mol.

What are the upstream and downstream products of Methyl 4-aminothiophene-2-carboxylate?

For Methyl 4-aminothiophene-2-carboxylate, Upstream Products: 2-Thiophenecarboxylic acid, Methanol, Methyl 5-bromo-4-nitrothiophene-2-carboxylate; Downstream Products: Methyl 5-bromo-4-fluorothiophene-2-carboxylate, Methyl 4-fluorothiophene-2-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. "Methyl 4-aminothiophene-2-carboxylate (CAS 89499-43-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1139174-5 (accessed 2026-11-09).

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