1-cyclopentyl-pyrrole-2,5-dione

1-环戊基吡咯-2,5-二酮

Also known as: 1-cyclopentyl-1H-pyrrole-2,5-dione, 1-cyclopentylazoline-2,5-dione, 1-cyclopentylpyrrole-2,5-dione, 1H-Pyrrole-2,5-dione, 1-cyclopentyl-, N-Cyclopentylmaleinimide, SKL471, 1-cyclopentyl-2,5-dihydro-1H-pyrrole-2,5-dione

1-cyclopentyl-pyrrole-2,5-dione (CAS 170866-05-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H11NO2 and a molecular weight of 165.18900 g/mol. It is also known as 1-cyclopentyl-1H-pyrrole-2,5-dione, 1-cyclopentylazoline-2,5-dione and 1-cyclopentylpyrrole-2,5-dione. Key properties include a boiling point of 281.0±9.0 °C(Predicted) and a density of 1.286±0.06 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
170866-05-4
Jingsj CID
J-1436219-6
Molecular Formula
C9H11NO2
Chinese Name
1-环戊基吡咯-2,5-二酮
Molecular Weight
165.18900 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point281.0±9.0 °C(Predicted)
Density1.286±0.06 g/cm3(Predicted)

Frequently Asked Questions

What is the CAS number of 1-cyclopentyl-pyrrole-2,5-dione?

The CAS number of 1-cyclopentyl-pyrrole-2,5-dione is 170866-05-4.

What are the molecular formula and molecular weight of 1-cyclopentyl-pyrrole-2,5-dione?

1-cyclopentyl-pyrrole-2,5-dione has molecular formula C9H11NO2 and molecular weight 165.18900 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1-cyclopentyl-pyrrole-2,5-dione (CAS 170866-05-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1436219-6 (accessed 2026-10-26).

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