4-chloro-6,7,8-trimethoxyquinazoline

Also known as: 4-chloro-6,7,8-trimethoxyquinazoline, 4-Chlor-6,7,8-trimethoxychinazolin, 4-chloro-6,7,8-trimethoxy-quinazoline, EINECS 251-481-0, Quinazoline, 4-chloro-6,7,8-trimethoxy-

4-chloro-6,7,8-trimethoxyquinazoline (CAS 33371-00-5) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H11ClN2O3 and a molecular weight of 254.67000 g/mol. Key properties include a boiling point of 372.5ºC at 760mmHg, a density of 1.313g/cm3 and a flash point of 179.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33371-00-5
Jingsj CID: J-1105028-5
Molecular Formula: C₁₁H₁₁ClN₂O₃
Molecular Weight: 254.67000 g/mol
Category: Organohalogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	372.5ºC at 760mmHg
Density	1.313g/cm3
Flash Point	179.1ºC
Exact Mass	254.04600
PSA	53.47000
LogP	2.30900
Refractive Index	1.587

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-chloro-6,7,8-trimethoxyquinazoline?

The CAS number of 4-chloro-6,7,8-trimethoxyquinazoline is 33371-00-5.

What are the molecular formula and molecular weight of 4-chloro-6,7,8-trimethoxyquinazoline?

4-chloro-6,7,8-trimethoxyquinazoline has molecular formula C11H11ClN2O3 and molecular weight 254.67000 g/mol.

What are the upstream and downstream products of 4-chloro-6,7,8-trimethoxyquinazoline?

For 4-chloro-6,7,8-trimethoxyquinazoline, Upstream Products: 6,7,8-Trimethoxyquinazolin-4(3H)-one, 2-Amino-3,4,5-trimethoxybenzoic acid, Methanimidic acid, (Z)-.

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-chloro-6,7,8-trimethoxyquinazoline (CAS 33371-00-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1105028-5 (accessed 2026-11-09).

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