Methyl 2-acetamidothiophene-3-carboxylate

2-乙酰氨基-3-噻吩羧酸甲酯

Also known as: 2-(Acetylamino)-3-thiophenecarboxylic acid methyl ester, 2-Acetamino-3-methoxycarbonyl-thiophen, 2-acetylamino-thiophene-3-carboxylic acid methyl ester, 3-Thiophenecarboxylic acid, 2-(acetylamino)-, methyl ester, methyl 2-(acetylamino)-3-thiophenecarboxylate, methyl 2-(acetylamino)thiophene-3-carboxylate, methyl-2-acetamidothiophene-3-carboxylate

Methyl 2-acetamidothiophene-3-carboxylate (CAS 22288-81-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO3S and a molecular weight of 199.22700 g/mol. It is also known as 2-(Acetylamino)-3-thiophenecarboxylic acid methyl ester, 2-Acetamino-3-methoxycarbonyl-thiophen and 2-acetylamino-thiophene-3-carboxylic acid methyl ester. Key properties include a melting point of 103-105ºC, a boiling point of 391.7ºC at 760mmHg, a density of 1.329g/cm3 and a flash point of 190.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22288-81-9
Jingsj CID
J-1505346-4
Molecular Formula
C8H9NO3S
Chinese Name
2-乙酰氨基-3-噻吩羧酸甲酯
Molecular Weight
199.22700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point103-105ºC
Boiling Point391.7ºC at 760mmHg
Density1.329g/cm3
Flash Point190.7ºC

Frequently Asked Questions

What is the CAS number of Methyl 2-acetamidothiophene-3-carboxylate?

The CAS number of Methyl 2-acetamidothiophene-3-carboxylate is 22288-81-9.

What are the molecular formula and molecular weight of Methyl 2-acetamidothiophene-3-carboxylate?

Methyl 2-acetamidothiophene-3-carboxylate has molecular formula C8H9NO3S and molecular weight 199.22700 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl 2-acetamidothiophene-3-carboxylate (CAS 22288-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505346-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.