4,5-dimethyl-1H-isoindole-1,3(2H)-dione

3,4-二甲基邻苯二甲酰亚胺

Also known as: 3,4-Dimethylphthalimide, 4,5-dimethylisoindoline-1,3-dione, 4,5-dimethylphthalimide, 1H-isoindole-1,3(2H)-dione, 4,5-dimethyl-

4,5-dimethyl-1H-isoindole-1,3(2H)-dione (CAS 66309-86-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175 g/mol. It is also known as 3,4-Dimethylphthalimide, 4,5-dimethylisoindoline-1,3-dione and 4,5-dimethylphthalimide. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 66309-86-2
Jingsj CID: J-50862-1
Molecular Formula: C₁₀H₉NO₂
Chinese Name: 3,4-二甲基邻苯二甲酰亚胺
Molecular Weight: 175 g/mol
Category: Organic Bases
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 4,5-dimethyl-1H-isoindole-1,3(2H)-dione?

The CAS number of 4,5-dimethyl-1H-isoindole-1,3(2H)-dione is 66309-86-2.

What are the molecular formula and molecular weight of 4,5-dimethyl-1H-isoindole-1,3(2H)-dione?

4,5-dimethyl-1H-isoindole-1,3(2H)-dione has molecular formula C10H9NO2 and molecular weight 175 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. "4,5-dimethyl-1H-isoindole-1,3(2H)-dione (CAS 66309-86-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-50862-1 (accessed 2026-10-23).

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