Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride

4-氨基噻吩-2,3-二甲酸二甲酯盐酸盐

Also known as: 4-Aminothiophene-2,3-dicarboxylic acid dimethyl ester hydrochloride, AKOS 92922, Dimethyl 4-aminothiophene-2,3-dicarboxylate HCl

Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride (CAS 121071-71-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10ClNO4S and a molecular weight of 251.68700 g/mol. It is also known as 4-Aminothiophene-2,3-dicarboxylic acid dimethyl ester hydrochloride, AKOS 92922 and Dimethyl 4-aminothiophene-2,3-dicarboxylate HCl. Key properties include a melting point of 166-169°C, a boiling point of 350.5ºC at 760mmHg, a density of 1.371g/cm3 and a flash point of 165.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
121071-71-4
Jingsj CID
J-7597-8
Molecular Formula
C8H10ClNO4S
Chinese Name
4-氨基噻吩-2,3-二甲酸二甲酯盐酸盐
Molecular Weight
251.68700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point166-169°C
Boiling Point350.5ºC at 760mmHg
Density1.371g/cm3
Flash Point165.8ºC

Frequently Asked Questions

What is the CAS number of Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride?

The CAS number of Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride is 121071-71-4.

What are the molecular formula and molecular weight of Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride?

Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride has molecular formula C8H10ClNO4S and molecular weight 251.68700 g/mol.

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

Last updated:

How to cite: Jingsj. "Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride (CAS 121071-71-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7597-8 (accessed 2026-10-23).

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