1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione

1-(4-氯苯基)-1H-吡咯-2,5-二酮

Also known as: 1-(4-Chlorophenyl)maleimide, N-(4-Chlorophenyl)maleimide, N-(p-Chlorophenyl)maleimide, p-Chlorophenylmaleimide, 1H-Pyrrole-2,5-dione, 1-(4-chlorophenyl)-, NSC 52612, NSC 55657, NSC 63150, AKOS MSC-0021, ASISCHEM D48954, AURORA 12545

1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione (CAS 209159-28-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H6ClNO2 and a molecular weight of 207.61300 g/mol. It is also known as 1-(4-Chlorophenyl)maleimide, N-(4-Chlorophenyl)maleimide and N-(p-Chlorophenyl)maleimide. Key property: a melting point of 110-112ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 209159-28-4
Jingsj CID: J-1003173-5
Molecular Formula: C₁₀H₆ClNO₂
Chinese Name: 1-(4-氯苯基)-1H-吡咯-2,5-二酮
Molecular Weight: 207.61300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	110-112ºC

Frequently Asked Questions

What is the CAS number of 1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione?

The CAS number of 1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione is 209159-28-4.

What are the molecular formula and molecular weight of 1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione?

1-(4-Chlorophenyl)-1H-pyrrole-2,5-dione has molecular formula C10H6ClNO2 and molecular weight 207.61300 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-(4-Chlorophenyl)-1H-pyrrole-2,5-dione (CAS 209159-28-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1003173-5 (accessed 2026-10-24).

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