7-Methyl-4-aza-2-oxindole

7-甲基-4-氮杂吲哚-2-酮

Also known as: 1,3-Dihydro-7-methyl-2H-pyrrolo[3,2-b]pyridin-2-one, 2H-Pyrrolo[3,2-b]pyridin-2-one, 1,3-dihydro-7-methyl-, 7-Methyl-1,3-dihydro-2H-pyrrolo[3,2-b]pyridin-2-one, 7-Methyl-1,3-dihydro-pyrrolo[3,2-b]pyridin-2-one, 7-Methyl-1H-pyrrolo[3,2-b]pyridin-2(3H)-one, 7-methyl-1,3-dihydropyrrolo[3,2-b]pyridin-2-one

7-Methyl-4-aza-2-oxindole (CAS 56057-25-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8N2O and a molecular weight of 148.162 g/mol. It is also known as 1,3-Dihydro-7-methyl-2H-pyrrolo[3,2-b]pyridin-2-one, 2H-Pyrrolo[3,2-b]pyridin-2-one, 1,3-dihydro-7-methyl- and 7-Methyl-1,3-dihydro-2H-pyrrolo[3,2-b]pyridin-2-one. Key properties include a boiling point of 334.0±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 155.8±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
56057-25-1
Jingsj CID
J-1445511-1
Molecular Formula
C8H8N2O
Chinese Name
7-甲基-4-氮杂吲哚-2-酮
Molecular Weight
148.162 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point334.0±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point155.8±27.9 °C

Frequently Asked Questions

What is the CAS number of 7-Methyl-4-aza-2-oxindole?

The CAS number of 7-Methyl-4-aza-2-oxindole is 56057-25-1.

What are the molecular formula and molecular weight of 7-Methyl-4-aza-2-oxindole?

7-Methyl-4-aza-2-oxindole has molecular formula C8H8N2O and molecular weight 148.162 g/mol.

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

Last updated:

How to cite: Jingsj. "7-Methyl-4-aza-2-oxindole (CAS 56057-25-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1445511-1 (accessed 2026-10-25).

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