4-(2-Chloro-acetyl)-3,4-dihydro-1H-quinoxalin-2-one

Also known as: 2(1H)-Quinoxalinone, 4-(chloroacetyl)-3,4-dihydro- (9CI), 4-(2-Chloroacetyl)-3,4-dihydro-2(1H)-quinoxalinone, 4-(Chloroacetyl)-3,4-dihydroquinoxalin-2(1H)-one, 4-(2-Chloroacetyl)-3,4-dihydroquinoxalin-2(1H)-one

4-(2-Chloro-acetyl)-3,4-dihydro-1H-quinoxalin-2-one (CAS 436088-67-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9ClN2O2 and a molecular weight of 224.64400 g/mol. Key properties include a melting point of 0ºC, a boiling point of 0ºC, a density of 1.382g/cm3 and a flash point of 0ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 436088-67-4
Jingsj CID: J-1417826-8
Molecular Formula: C₁₀H₉ClN₂O₂
Molecular Weight: 224.64400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	0ºC
Boiling Point	0ºC
Density	1.382g/cm3
Flash Point	0ºC
Exact Mass	224.03500
PSA	49.41000
LogP	1.41350
Refractive Index	1.591

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 4-(2-Chloro-acetyl)-3,4-dihydro-1H-quinoxalin-2-one?

The CAS number of 4-(2-Chloro-acetyl)-3,4-dihydro-1H-quinoxalin-2-one is 436088-67-4.

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

4-(2-Chloro-acetyl)-3,4-dihydro-1H-quinoxalin-2-one has molecular formula C10H9ClN2O2 and molecular weight 224.64400 g/mol.

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

For 4-(2-Chloro-acetyl)-3,4-dihydro-1H-quinoxalin-2-one, Upstream Products: 3,4-dihydroquinoxalin-2(1H)-one, Chloroacetyl chloride.

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. "4-(2-Chloro-acetyl)-3,4-dihydro-1H-quinoxalin-2-one (CAS 436088-67-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1417826-8 (accessed 2026-11-09).

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