1-(Cyclopent-3-en-1-yl)-1H-pyrrol-2(5H)-one

1-(环戊-3-烯-1-基)-1H-吡咯-2(5H)-酮

Also known as: 2H-Pyrrol-2-one, 1-(3-cyclopenten-1-yl)-1,5-dihydro-

1-(Cyclopent-3-en-1-yl)-1H-pyrrol-2(5H)-one (CAS 405165-42-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H11NO and a molecular weight of 149.19 g/mol. It is also known as 2H-Pyrrol-2-one, 1-(3-cyclopenten-1-yl)-1,5-dihydro-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 405165-42-6
Jingsj CID: J-740768-2
Molecular Formula: C₉H₁₁NO
Chinese Name: 1-(环戊-3-烯-1-基)-1H-吡咯-2(5H)-酮
Molecular Weight: 149.19 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-(Cyclopent-3-en-1-yl)-1H-pyrrol-2(5H)-one?

The CAS number of 1-(Cyclopent-3-en-1-yl)-1H-pyrrol-2(5H)-one is 405165-42-6.

What are the molecular formula and molecular weight of 1-(Cyclopent-3-en-1-yl)-1H-pyrrol-2(5H)-one?

1-(Cyclopent-3-en-1-yl)-1H-pyrrol-2(5H)-one has molecular formula C9H11NO and molecular weight 149.19 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-(Cyclopent-3-en-1-yl)-1H-pyrrol-2(5H)-one (CAS 405165-42-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-740768-2 (accessed 2026-10-24).

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