3-Methyl-1(2H)-isoquinolinone

3-甲基-2H-异喹啉-1-酮

Also known as: 3-Methylisoquinolin-1(2H)-one, 3-Methyl-1(2H)-isoquinolone, 3-Methyl-1-isoquinolone, 3-Methyl-2H-isoquinolin-1-one, 3-Methylisoquinolin-1-ol, 3-methyl-1,2-dihydroisoquinolin-1-one, 3-Methyl-1(2H)-isochinolon, 3-methyl-1(2H)-isoquinolone, 3-methyl-1-isoquinolinol, 3-methyl-2H-isoquinolin-1-one, 3-methyl-isoquinolin-1-ol, 3-methylisoquinolin-1(2H)-one, 3-methylisoquinolone

3-Methyl-1(2H)-isoquinolinone (CAS 7114-80-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO and a molecular weight of 159.185 g/mol. It is also known as 3-Methylisoquinolin-1(2H)-one, 3-Methyl-1(2H)-isoquinolone and 3-Methyl-1-isoquinolone. Key properties include a boiling point of 371.7±35.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 217.7±10.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7114-80-9
Jingsj CID
J-1446221-0
Molecular Formula
C10H9NO
Chinese Name
3-甲基-2H-异喹啉-1-酮
Molecular Weight
159.185 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point371.7±35.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point217.7±10.9 °C

Frequently Asked Questions

What is the CAS number of 3-Methyl-1(2H)-isoquinolinone?

The CAS number of 3-Methyl-1(2H)-isoquinolinone is 7114-80-9.

What are the molecular formula and molecular weight of 3-Methyl-1(2H)-isoquinolinone?

3-Methyl-1(2H)-isoquinolinone has molecular formula C10H9NO and molecular weight 159.185 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Methyl-1(2H)-isoquinolinone (CAS 7114-80-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446221-0 (accessed 2026-10-22).

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