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5,6,7,8-tetrahydroquinolin-5-one

5,6,7,8-四氢喹啉-5-酮

Also known as: 7,8-dihydroquinolin-5(6H)-one, 5,6,7,8-tetrahydro-5-quinolinone, 5,6,7,8-tetrahydroquinolinone-5, 7,8-dihydro-5(6H)-quinolinone, 7,8-dihydro-6H-quinolin-5-one, 5-oxo-5,6,7,8-tetrahydroquinoline, 5(6H)-Quinolinone, 7,8-dihydro-

5,6,7,8-tetrahydroquinolin-5-one (CAS 53400-41-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NO and a molecular weight of 147.17400 g/mol. It is also known as 7,8-dihydroquinolin-5(6H)-one, 5,6,7,8-tetrahydro-5-quinolinone and 5,6,7,8-tetrahydroquinolinone-5. Key properties include a melting point of 116-117 °C(Press: 6 Torr), a boiling point of 269.3ºC at 760 mmHg, a density of 1.168 g/cm3 and a flash point of 123.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53400-41-2
Jingsj CID
J-865156-1
Molecular Formula
C9H9NO
Chinese Name
5,6,7,8-四氢喹啉-5-酮
Molecular Weight
147.17400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point116-117 °C(Press: 6 Torr)
Boiling Point269.3ºC at 760 mmHg
Density1.168 g/cm3
Flash Point123.8ºC

Frequently Asked Questions

What is the CAS number of 5,6,7,8-tetrahydroquinolin-5-one?

The CAS number of 5,6,7,8-tetrahydroquinolin-5-one is 53400-41-2.

What are the molecular formula and molecular weight of 5,6,7,8-tetrahydroquinolin-5-one?

5,6,7,8-tetrahydroquinolin-5-one has molecular formula C9H9NO and molecular weight 147.17400 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6,7,8-tetrahydroquinolin-5-one (CAS 53400-41-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-865156-1 (accessed 2026-10-22).

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