3-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid

3-(噻吩-2-基)-1H-吡唑-4-羧酸

Also known as: 3-(2-thienyl)-1H-pyrazole-4-carboxylic acid, 1H-Pyrazole-4-carboxylic acid, 3-(2-thienyl)-, 5-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid, RARECHEM AL BE 0513

3-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid (CAS 879996-80-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O2S and a molecular weight of 194.21000 g/mol. It is also known as 3-(2-thienyl)-1H-pyrazole-4-carboxylic acid, 1H-Pyrazole-4-carboxylic acid, 3-(2-thienyl)- and 5-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 879996-80-2
Jingsj CID: J-1507063-2
Molecular Formula: C₈H₆N₂O₂S
Chinese Name: 3-(噻吩-2-基)-1H-吡唑-4-羧酸
Molecular Weight: 194.21000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid?

The CAS number of 3-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid is 879996-80-2.

What are the molecular formula and molecular weight of 3-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid?

3-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid has molecular formula C8H6N2O2S and molecular weight 194.21000 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. "3-(thiophen-2-yl)-1H-pyrazole-4-carboxylic acid (CAS 879996-80-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1507063-2 (accessed 2026-10-23).

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