3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarboxylic acid

3,4-二氨基噻吩并[2,3-b]噻吩-2,5-二甲酸

Also known as: 3,4-diaminothieno(2,3-b)thiophene-2,5-dicarboxylic acid, DK7501

3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarboxylic acid (CAS 345910-71-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O4S2 and a molecular weight of 258.3 g/mol. It is also known as 3,4-diaminothieno(2,3-b)thiophene-2,5-dicarboxylic acid and DK7501. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
345910-71-6
Jingsj CID
J-280546-5
Molecular Formula
C8H6N2O4S2
Chinese Name
3,4-二氨基噻吩并[2,3-b]噻吩-2,5-二甲酸
Molecular Weight
258.3 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarboxylic acid?

The CAS number of 3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarboxylic acid is 345910-71-6.

What are the molecular formula and molecular weight of 3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarboxylic acid?

3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarboxylic acid has molecular formula C8H6N2O4S2 and molecular weight 258.3 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Diaminothieno[2,3-b]thiophene-2,5-dicarboxylic acid (CAS 345910-71-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-280546-5 (accessed 2026-10-23).

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