2(1H)-Quinoxalinone, 3-(2-oxo-2-phenylethyl)-

Also known as: 3-phenacyl-1H-quinoxalin-2-one, 2-(3-hydroxy-2-quinoxalinyl)-1-phenylethanone, 3-phenacylidene-3,4-dihydro-1H-quinoxalin-2-one, 2-Chinoxalon-3-yl-methyl-phenyl-keton, 3-Phenacyl-1H-chinoxalin-2-on

2(1H)-Quinoxalinone, 3-(2-oxo-2-phenylethyl)- (CAS 22298-77-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12N2O2 and a molecular weight of 264.27900 g/mol. Key property: a density of 1.26g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 22298-77-7
Jingsj CID: J-1116907-6
Molecular Formula: C₁₆H₁₂N₂O₂
Molecular Weight: 264.27900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.26g/cm3
Exact Mass	264.09000
PSA	62.82000
LogP	2.34850
Refractive Index	1.653

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 2(1H)-Quinoxalinone, 3-(2-oxo-2-phenylethyl)-?

The CAS number of 2(1H)-Quinoxalinone, 3-(2-oxo-2-phenylethyl)- is 22298-77-7.

What are the molecular formula and molecular weight of 2(1H)-Quinoxalinone, 3-(2-oxo-2-phenylethyl)-?

2(1H)-Quinoxalinone, 3-(2-oxo-2-phenylethyl)- has molecular formula C16H12N2O2 and molecular weight 264.27900 g/mol.

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. "2(1H)-Quinoxalinone, 3-(2-oxo-2-phenylethyl)- (CAS 22298-77-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1116907-6 (accessed 2026-11-09).

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