(E)-5-(2-(thiophen-2-yl)vinyl)-1H-pyrazole

(E)-5-(2-(噻吩-2-基)乙烯基)-1H-吡唑

Also known as: 1H-Pyrazole, 3-[2-(2-thienyl)ethenyl]-, 3-[2-(2-Thienyl)ethenyl]-1H-pyrazole, 5-[(E)-2-(2-Thienyl)vinyl]-1H-pyrazole, 5-[(E)-2-(thiophen-2-yl)ethenyl]-1H-pyrazole

(E)-5-(2-(thiophen-2-yl)vinyl)-1H-pyrazole (CAS 500128-99-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8N2S and a molecular weight of 176.23800 g/mol. It is also known as 1H-Pyrazole, 3-[2-(2-thienyl)ethenyl]-, 3-[2-(2-Thienyl)ethenyl]-1H-pyrazole and 5-[(E)-2-(2-Thienyl)vinyl]-1H-pyrazole. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 500128-99-4
Jingsj CID: J-1086602-3
Molecular Formula: C₉H₈N₂S
Chinese Name: (E)-5-(2-(噻吩-2-基)乙烯基)-1H-吡唑
Molecular Weight: 176.23800 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of (E)-5-(2-(thiophen-2-yl)vinyl)-1H-pyrazole?

The CAS number of (E)-5-(2-(thiophen-2-yl)vinyl)-1H-pyrazole is 500128-99-4.

What are the molecular formula and molecular weight of (E)-5-(2-(thiophen-2-yl)vinyl)-1H-pyrazole?

(E)-5-(2-(thiophen-2-yl)vinyl)-1H-pyrazole has molecular formula C9H8N2S and molecular weight 176.23800 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. "(E)-5-(2-(thiophen-2-yl)vinyl)-1H-pyrazole (CAS 500128-99-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1086602-3 (accessed 2026-10-24).

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