2-Methylisoquinoline-1,3,4-trione

2-甲基异喹啉-1,3,4-三酮

Also known as: 1,3,4(2H)-Isoquinolinetrione, 2-methyl-, 2-Methylisoquinoline-1,3,4(2H)-trione, 2-Methyl-1,3,4(2H)-isoquinolinetrione, 2-Methyl-isochinolin-1,3,4-trion, 2-Methylisoquinoline-1,3,4-trione, N-Methyl-1,3,4-isoquinolinetrione

2-Methylisoquinoline-1,3,4-trione (CAS 21640-33-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NO3 and a molecular weight of 189.16700 g/mol. It is also known as 1,3,4(2H)-Isoquinolinetrione, 2-methyl-, 2-Methylisoquinoline-1,3,4(2H)-trione and 2-Methyl-1,3,4(2H)-isoquinolinetrione. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21640-33-5
Jingsj CID: J-1030636-9
Molecular Formula: C₁₀H₇NO₃
Chinese Name: 2-甲基异喹啉-1,3,4-三酮
Molecular Weight: 189.16700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-Methylisoquinoline-1,3,4-trione?

The CAS number of 2-Methylisoquinoline-1,3,4-trione is 21640-33-5.

What are the molecular formula and molecular weight of 2-Methylisoquinoline-1,3,4-trione?

2-Methylisoquinoline-1,3,4-trione has molecular formula C10H7NO3 and molecular weight 189.16700 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. "2-Methylisoquinoline-1,3,4-trione (CAS 21640-33-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1030636-9 (accessed 2026-10-22).

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