6-Chloro-3,4-dihydroquinoxalin-2(1H)-one

Also known as: 6-Chloro-3,4-dihydro-1H-quinoxalin-2-one, 6-Chloro-1,2,3,4-tetrahydroquinoxalin-2-one, 6-Chlor-3,4-dihydro-1H-chinoxalin-2-on, 6-Chlor-3,4-dihydro-1H-chinoxalinon-(2), 2(1H)-Quinoxalinone, 6-chloro-3,4-dihydro-

6-Chloro-3,4-dihydroquinoxalin-2(1H)-one (CAS 89938-22-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7ClN2O and a molecular weight of 182.60700 g/mol. Key properties include a boiling point of 386.8ºC at 760mmHg, a density of 1.335g/cm3 and a flash point of 187.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89938-22-7
Jingsj CID: J-1308321-1
Molecular Formula: C₈H₇ClN₂O
Molecular Weight: 182.60700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	386.8ºC at 760mmHg
Density	1.335g/cm3
Flash Point	187.7ºC
Exact Mass	182.02500
PSA	41.13000
LogP	1.98000

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 6-Chloro-3,4-dihydroquinoxalin-2(1H)-one?

The CAS number of 6-Chloro-3,4-dihydroquinoxalin-2(1H)-one is 89938-22-7.

What are the molecular formula and molecular weight of 6-Chloro-3,4-dihydroquinoxalin-2(1H)-one?

6-Chloro-3,4-dihydroquinoxalin-2(1H)-one has molecular formula C8H7ClN2O and molecular weight 182.60700 g/mol.

What are the upstream and downstream products of 6-Chloro-3,4-dihydroquinoxalin-2(1H)-one?

For 6-Chloro-3,4-dihydroquinoxalin-2(1H)-one, Upstream Products: 6-chloro-2(1H)-quinoxalinone, 4-Chloro-o-phenylenediamine, N-(4-Chloro-2-nitrophenyl)-3-oxobutanamide; Downstream Products: Carbamoyl chloride, 6-chloro-2(1H)-quinoxalinone, 2,6-Dichloroquinoxaline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "6-Chloro-3,4-dihydroquinoxalin-2(1H)-one (CAS 89938-22-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1308321-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.