6,7-dimethoxyquinazolin-4-amine

Also known as: 4-Amino-6,7-dimethoxyquinazoline, 4-Quinazolinamine, 6,7-dimethoxy-, 6,7-Dimethoxy-4-quinazolinamine, 6,7-Dimethoxyquinazolin-4-ylamine, 6,7-dimethoxyquinazolin-4-amine, 6,7-Dimethoxy-4-aminoquinazoline, MFCD06658146

6,7-dimethoxyquinazolin-4-amine (CAS 21575-13-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H11N3O2 and a molecular weight of 205.213 g/mol. Key properties include a boiling point of 383.1±37.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 185.5±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21575-13-3
Jingsj CID: J-1498786-1
Molecular Formula: C₁₀H₁₁N₃O₂
Molecular Weight: 205.213 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	383.1±37.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	185.5±26.5 °C
Exact Mass	205.085129
PSA	70.26000
LogP	0.77
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.642

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-dimethoxyquinazolin-4-amine?

The CAS number of 6,7-dimethoxyquinazolin-4-amine is 21575-13-3.

What are the molecular formula and molecular weight of 6,7-dimethoxyquinazolin-4-amine?

6,7-dimethoxyquinazolin-4-amine has molecular formula C10H11N3O2 and molecular weight 205.213 g/mol.

What are the upstream and downstream products of 6,7-dimethoxyquinazolin-4-amine?

For 6,7-dimethoxyquinazolin-4-amine, Upstream Products: 2-Amino-4,5-dimethoxybenzonitrile, Methanimidic acid, (Z)-, 4-Chloro-6,7-dimethoxyquinazoline.

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-dimethoxyquinazolin-4-amine (CAS 21575-13-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1498786-1 (accessed 2026-11-09).

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