7-Methyl-2,3-dihydro-1,8-naphthyridin-4(1H)-one

7-甲基-2,3-二氢-1,8-萘啶-4(1H)-酮

Also known as: 1,8-Naphthyridin-4(1H)-one, 2,3-dihydro-7-methyl-, 2,3-Dihydro-7-methyl-1,8-naphthyridin-4(1H)-one, 7-methyl-2,3-dihydro-1H-1,8-naphthyridin-4-one

7-Methyl-2,3-dihydro-1,8-naphthyridin-4(1H)-one (CAS 55469-90-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H10N2O and a molecular weight of 162.18800 g/mol. It is also known as 1,8-Naphthyridin-4(1H)-one, 2,3-dihydro-7-methyl-, 2,3-Dihydro-7-methyl-1,8-naphthyridin-4(1H)-one and 7-methyl-2,3-dihydro-1H-1,8-naphthyridin-4-one. Key properties include a boiling point of 341.721ºC at 760 mmHg, a density of 1.173g/cm3 and a flash point of 160.467ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55469-90-4
Jingsj CID: J-869975-4
Molecular Formula: C₉H₁₀N₂O
Chinese Name: 7-甲基-2,3-二氢-1,8-萘啶-4(1H)-酮
Molecular Weight: 162.18800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	341.721ºC at 760 mmHg
Density	1.173g/cm3
Flash Point	160.467ºC

Frequently Asked Questions

What is the CAS number of 7-Methyl-2,3-dihydro-1,8-naphthyridin-4(1H)-one?

The CAS number of 7-Methyl-2,3-dihydro-1,8-naphthyridin-4(1H)-one is 55469-90-4.

What are the molecular formula and molecular weight of 7-Methyl-2,3-dihydro-1,8-naphthyridin-4(1H)-one?

7-Methyl-2,3-dihydro-1,8-naphthyridin-4(1H)-one has molecular formula C9H10N2O and molecular weight 162.18800 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. "7-Methyl-2,3-dihydro-1,8-naphthyridin-4(1H)-one (CAS 55469-90-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-869975-4 (accessed 2026-10-22).

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