6,7-dimethoxyquinoxalin-2(1H)-one

Also known as: 2-Hydroxy-6,7-dimethoxyquinoxaline, 6,7-Dimethoxy-2(1H)-quinoxalinone, 6,7-Dimethoxy-2-hydroxyquinoxaline, 6,7-Dimethoxyquinoxalin-2-ol, 6,7-dimethoxy-1H-quinoxalin-2-one

6,7-dimethoxyquinoxalin-2(1H)-one (CAS 5739-98-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O3 and a molecular weight of 206.19800 g/mol. Key properties include a melting point of 295-296ºC, a boiling point of 408.7ºC at 760mmHg, a density of 1.33g/cm3 and a flash point of 201ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5739-98-0
Jingsj CID: J-1034208-2
Molecular Formula: C₁₀H₁₀N₂O₃
Molecular Weight: 206.19800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	295-296ºC
Boiling Point	408.7ºC at 760mmHg
Density	1.33g/cm3
Flash Point	201ºC
Exact Mass	206.06900
PSA	64.47000
LogP	1.35260
Refractive Index	1.6

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 6,7-dimethoxyquinoxalin-2(1H)-one?

The CAS number of 6,7-dimethoxyquinoxalin-2(1H)-one is 5739-98-0.

What are the molecular formula and molecular weight of 6,7-dimethoxyquinoxalin-2(1H)-one?

6,7-dimethoxyquinoxalin-2(1H)-one has molecular formula C10H10N2O3 and molecular weight 206.19800 g/mol.

What are the upstream and downstream products of 6,7-dimethoxyquinoxalin-2(1H)-one?

For 6,7-dimethoxyquinoxalin-2(1H)-one, Downstream Products: 2-Chloro-6,7-dimethoxyquinoxaline.

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. "6,7-dimethoxyquinoxalin-2(1H)-one (CAS 5739-98-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1034208-2 (accessed 2026-11-09).

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