5-Methoxyisoindolin-1-one

5-甲氧基-2,3-二氢异吲哚-1-酮

Also known as: 5-Methoxy-2,3-dihydro-1H-isoindol-1-one, 5-Methoxy-1-isoindolinone, 2,3-Dihydro-5-methoxy-1H-isoindol-1-one, 5-Methoxy-2,3-dihydroisoindol-1-one

5-Methoxyisoindolin-1-one (CAS 22246-66-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO2 and a molecular weight of 163.173 g/mol. It is also known as 5-Methoxy-2,3-dihydro-1H-isoindol-1-one, 5-Methoxy-1-isoindolinone and 2,3-Dihydro-5-methoxy-1H-isoindol-1-one. Key properties include a boiling point of 439.2±45.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 219.4±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
22246-66-8
Jingsj CID
J-1360421-7
Molecular Formula
C9H9NO2
Chinese Name
5-甲氧基-2,3-二氢异吲哚-1-酮
Molecular Weight
163.173 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point439.2±45.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point219.4±28.7 °C

Frequently Asked Questions

What is the CAS number of 5-Methoxyisoindolin-1-one?

The CAS number of 5-Methoxyisoindolin-1-one is 22246-66-8.

What are the molecular formula and molecular weight of 5-Methoxyisoindolin-1-one?

5-Methoxyisoindolin-1-one has molecular formula C9H9NO2 and molecular weight 163.173 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methoxyisoindolin-1-one (CAS 22246-66-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360421-7 (accessed 2026-10-22).

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