7-Hydroxy-9-methyl-6-phenyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one

7-羟基-9-甲基-6-苯基-2,3-二氢-1H,5H-吡啶并[3,2,1-ij]喹啉-5-酮

Also known as: 1-Hydroxy-8-methyl-2-phenyl-5,6-dihydro-3a-azaphenalen-3(1H)-one, 1-Hydroxy-9-methyl-2-phenyl-6,7-dihydropyrido[3,2,1-ij]quinolin-3(5H)-one, 1H,5H-Benzo[ij]quinolizin-5-one, 2,3-dihydro-7-hydroxy-9-methyl-6-phenyl-, HMS559O10

7-Hydroxy-9-methyl-6-phenyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one (CAS 175204-96-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C19H17NO2 and a molecular weight of 291.344 g/mol. It is also known as 1-Hydroxy-8-methyl-2-phenyl-5,6-dihydro-3a-azaphenalen-3(1H)-one, 1-Hydroxy-9-methyl-2-phenyl-6,7-dihydropyrido[3,2,1-ij]quinolin-3(5H)-one and 1H,5H-Benzo[ij]quinolizin-5-one, 2,3-dihydro-7-hydroxy-9-methyl-6-phenyl-. Key properties include a melting point of 215ºC, a boiling point of 481.0±45.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 244.7±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175204-96-3
Jingsj CID
J-1083786-3
Molecular Formula
C19H17NO2
Chinese Name
7-羟基-9-甲基-6-苯基-2,3-二氢-1H,5H-吡啶并[3,2,1-ij]喹啉-5-酮
Molecular Weight
291.344 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point215ºC
Boiling Point481.0±45.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point244.7±28.7 °C

Frequently Asked Questions

What is the CAS number of 7-Hydroxy-9-methyl-6-phenyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one?

The CAS number of 7-Hydroxy-9-methyl-6-phenyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one is 175204-96-3.

What are the molecular formula and molecular weight of 7-Hydroxy-9-methyl-6-phenyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one?

7-Hydroxy-9-methyl-6-phenyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one has molecular formula C19H17NO2 and molecular weight 291.344 g/mol.

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

Last updated:

How to cite: Jingsj. "7-Hydroxy-9-methyl-6-phenyl-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one (CAS 175204-96-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1083786-3 (accessed 2026-10-24).

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