4-Ethyl-3-(thiophen-2-YL)-1H-pyrazol-5-amine

4-乙基-3-(噻吩-2-基)-1H-吡唑-5-胺

4-Ethyl-3-(thiophen-2-YL)-1H-pyrazol-5-amine (CAS 1187057-51-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N3S and a molecular weight of 193.27 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1187057-51-7
Jingsj CID: J-536850-7
Molecular Formula: C₉H₁₁N₃S
Chinese Name: 4-乙基-3-(噻吩-2-基)-1H-吡唑-5-胺
Molecular Weight: 193.27 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-Ethyl-3-(thiophen-2-YL)-1H-pyrazol-5-amine?

The CAS number of 4-Ethyl-3-(thiophen-2-YL)-1H-pyrazol-5-amine is 1187057-51-7.

What are the molecular formula and molecular weight of 4-Ethyl-3-(thiophen-2-YL)-1H-pyrazol-5-amine?

4-Ethyl-3-(thiophen-2-YL)-1H-pyrazol-5-amine has molecular formula C9H11N3S and molecular weight 193.27 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. "4-Ethyl-3-(thiophen-2-YL)-1H-pyrazol-5-amine (CAS 1187057-51-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-536850-7 (accessed 2026-10-25).

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