5-methyl-6H-thieno[2,3-b]pyrrole-4-carboxylic acid

5-甲基-6H-噻吩并[2,3-b]吡咯-4-羧酸

5-methyl-6H-thieno[2,3-b]pyrrole-4-carboxylic acid (CAS 2138542-99-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H7NO2S and a molecular weight of 181.21 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2138542-99-9
Jingsj CID: J-224007-5
Molecular Formula: C₈H₇NO₂S
Chinese Name: 5-甲基-6H-噻吩并[2,3-b]吡咯-4-羧酸
Molecular Weight: 181.21 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-methyl-6H-thieno[2,3-b]pyrrole-4-carboxylic acid?

The CAS number of 5-methyl-6H-thieno[2,3-b]pyrrole-4-carboxylic acid is 2138542-99-9.

What are the molecular formula and molecular weight of 5-methyl-6H-thieno[2,3-b]pyrrole-4-carboxylic acid?

5-methyl-6H-thieno[2,3-b]pyrrole-4-carboxylic acid has molecular formula C8H7NO2S and molecular weight 181.21 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-methyl-6H-thieno[2,3-b]pyrrole-4-carboxylic acid (CAS 2138542-99-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-224007-5 (accessed 2026-10-24).

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