5-Chloro-3-methyleneisoindolin-1-one

5-氯-3-亚甲基异吲哚啉-1-酮

Also known as: 5-chloro-2,3-dihydro-3-methylidene-1H-isoindol-1-one, 5-chloro-3-methyleneisoindolin-1-one

5-Chloro-3-methyleneisoindolin-1-one (CAS 1239331-77-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6ClNO and a molecular weight of 179.60 g/mol. It is also known as 5-chloro-2,3-dihydro-3-methylidene-1H-isoindol-1-one and 5-chloro-3-methyleneisoindolin-1-one. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1239331-77-1
Jingsj CID: J-967731-3
Molecular Formula: C₉H₆ClNO
Chinese Name: 5-氯-3-亚甲基异吲哚啉-1-酮
Molecular Weight: 179.60 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-Chloro-3-methyleneisoindolin-1-one?

The CAS number of 5-Chloro-3-methyleneisoindolin-1-one is 1239331-77-1.

What are the molecular formula and molecular weight of 5-Chloro-3-methyleneisoindolin-1-one?

5-Chloro-3-methyleneisoindolin-1-one has molecular formula C9H6ClNO and molecular weight 179.60 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. "5-Chloro-3-methyleneisoindolin-1-one (CAS 1239331-77-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-967731-3 (accessed 2026-10-24).

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