1-(thiophen-2-yl)-1H-pyrazole

1-(2-噻吩基)-1H-吡唑

Also known as: 1-(2-thienyl)-1H-pyrazole, 1-thiophen-2-ylpyrazole, 1H-Pyrazole, 1-(2-thienyl)-

1-(thiophen-2-yl)-1H-pyrazole (CAS 74990-30-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6N2S and a molecular weight of 150.20100 g/mol. It is also known as 1-(2-thienyl)-1H-pyrazole, 1-thiophen-2-ylpyrazole and 1H-Pyrazole, 1-(2-thienyl)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 74990-30-0
Jingsj CID: J-1515317-3
Molecular Formula: C₇H₆N₂S
Chinese Name: 1-(2-噻吩基)-1H-吡唑
Molecular Weight: 150.20100 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

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

The CAS number of 1-(thiophen-2-yl)-1H-pyrazole is 74990-30-0.

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

1-(thiophen-2-yl)-1H-pyrazole has molecular formula C7H6N2S and molecular weight 150.20100 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. "1-(thiophen-2-yl)-1H-pyrazole (CAS 74990-30-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515317-3 (accessed 2026-10-25).

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