1-(Thiophen-2-yl)pent-4-en-2-one

1-(噻吩-2-基)戊-4-烯-2-酮

1-(Thiophen-2-yl)pent-4-en-2-one (CAS 205745-03-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H10OS and a molecular weight of 166.24 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 205745-03-5
Jingsj CID: J-92161-9
Molecular Formula: C₉H₁₀OS
Chinese Name: 1-(噻吩-2-基)戊-4-烯-2-酮
Molecular Weight: 166.24 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)pent-4-en-2-one?

The CAS number of 1-(Thiophen-2-yl)pent-4-en-2-one is 205745-03-5.

What are the molecular formula and molecular weight of 1-(Thiophen-2-yl)pent-4-en-2-one?

1-(Thiophen-2-yl)pent-4-en-2-one has molecular formula C9H10OS and molecular weight 166.24 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)pent-4-en-2-one (CAS 205745-03-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-92161-9 (accessed 2026-10-23).

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