2,3-Thiophenedicarboxylic anhydride

2,3-噻吩二甲酸酐

Also known as: Thieno[2,3-c]furan-4,6-dione, 2,3-thiophenedicarboxylic anhydride, thiophene-2,3-dicarboxylic acid anhydride, thiophene-2,3-dicarboxylic anhydride

2,3-Thiophenedicarboxylic anhydride (CAS 6007-83-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2O3S and a molecular weight of 154.14300 g/mol. It is also known as Thieno[2,3-c]furan-4,6-dione, 2,3-thiophenedicarboxylic anhydride and thiophene-2,3-dicarboxylic acid anhydride. Key properties include a melting point of 140-144°C, a boiling point of 306.4ºC at 760 mmHg, a density of 1.674g/cm3 and a flash point of 139.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6007-83-6
Jingsj CID
J-1002294-8
Molecular Formula
C6H2O3S
Chinese Name
2,3-噻吩二甲酸酐
Molecular Weight
154.14300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point140-144°C
Boiling Point306.4ºC at 760 mmHg
Density1.674g/cm3
Flash Point139.1ºC

Frequently Asked Questions

What is the CAS number of 2,3-Thiophenedicarboxylic anhydride?

The CAS number of 2,3-Thiophenedicarboxylic anhydride is 6007-83-6.

What are the molecular formula and molecular weight of 2,3-Thiophenedicarboxylic anhydride?

2,3-Thiophenedicarboxylic anhydride has molecular formula C6H2O3S and molecular weight 154.14300 g/mol.

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

Last updated:

How to cite: Jingsj. "2,3-Thiophenedicarboxylic anhydride (CAS 6007-83-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002294-8 (accessed 2026-10-22).

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