5-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid

5-(噻吩-3-基)-1H-吡唑-3-羧酸

Also known as: 5-(3-thienyl)-1H-pyrazole-3-carboxylic acid, 3-(thiophen-3-yl)-1H-pyrazole-5-carboxylic acid, 1H-Pyrazole-3-carboxylic acid, 5-(3-thienyl)-, 3-(3-thienyl)-1H-pyrazole-5-carboxylic acid, 5-(thiophen-3-yl)-1H-pyrazole-3-carboxylic acid

5-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 1029108-69-7) 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 5-(3-thienyl)-1H-pyrazole-3-carboxylic acid, 3-(thiophen-3-yl)-1H-pyrazole-5-carboxylic acid and 1H-Pyrazole-3-carboxylic acid, 5-(3-thienyl)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1029108-69-7
Jingsj CID: J-1332938-9
Molecular Formula: C₈H₆N₂O₂S
Chinese Name: 5-(噻吩-3-基)-1H-吡唑-3-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 5-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid?

The CAS number of 5-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid is 1029108-69-7.

What are the molecular formula and molecular weight of 5-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid?

5-(Thiophen-3-yl)-1H-pyrazole-3-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. "5-(Thiophen-3-yl)-1H-pyrazole-3-carboxylic acid (CAS 1029108-69-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1332938-9 (accessed 2026-10-24).

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