4-chloroquinolin-2(1H)-one

4-氯喹啉-2(1H)-酮

Also known as: 4-chloro-2-hydroxyquinoline, 4-chlorocarbostyril, 4-chloro-1H-quinolin-2-one, 4-chloro-2(1H)-quinolinone, 4-chloroquinolin-2-ol

CAS No.
20146-59-2
Jingsj CID
J-1334161-9
Molecular Formula
C9H6ClNO
Chinese Name
4-氯喹啉-2(1H)-酮
Molecular Weight
179.60300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point254℃
Boiling Point366.9ºC at 760mmHg
Density1.38g/cm3
Flash Point175.7ºC

Frequently Asked Questions

What is the CAS number of 4-chloroquinolin-2(1H)-one?

20146-59-2

What are the molecular formula and molecular weight of 4-chloroquinolin-2(1H)-one?

C9H6ClNO, molecular weight 179.60300 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026