2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one

Also known as: 2-Chloro-6,7-dimethoxy-1H-quinazolin-4-one, 2-Chloro-6,7-dimethoxy-4(3H)-quinazolinone, 2-Chloro-6,7-dimethoxyquinazolin-4-one, 2-Chloro-6,7-dimethoxyquinazolin-4(3H)-one, 4(3H)-Quinazolinone, 2-chloro-6,7-dimethoxy-

2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one (CAS 20197-86-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H9ClN2O3 and a molecular weight of 240.64300 g/mol. Key property: a melting point of 270-272 ℃. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 20197-86-8
Jingsj CID: J-1487294-7
Molecular Formula: C₁₀H₉ClN₂O₃
Molecular Weight: 240.64300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	270-272 ℃
Exact Mass	240.03000
PSA	64.47000
LogP	2.00600
Storage Conditions	2-8°C

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-Chloro-6,7-dimethoxy-3H-quinazolin-4-one?

The CAS number of 2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one is 20197-86-8.

What are the molecular formula and molecular weight of 2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one?

2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one has molecular formula C10H9ClN2O3 and molecular weight 240.64300 g/mol.

What are the upstream and downstream products of 2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one?

For 2-Chloro-6,7-dimethoxy-3H-quinazolin-4-one, Upstream Products: 2,4-Dichloro-6,7-dimethoxyquinazoline, 6,7-Dimethoxyquinazoline-2,4(1H,3H)-dione, Methyl 3,4-dimethoxybenzoate.

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-Chloro-6,7-dimethoxy-3H-quinazolin-4-one (CAS 20197-86-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1487294-7 (accessed 2026-11-09).

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