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5-Methoxyquinazolin-4(3H)-one

Also known as: 5-Methoxy-4(1H)-quinazolinone, 5-methoxy-1H-quinazolin-4-one, 5-methoxy-3H-quinazolin-4-one, 5-methoxy-4-(3H)-quinazolinone, 5-METHOXYQUINAZOLIN-4-OL, 5-Methoxy-3H-chinazolin-4-on, 5-Methoxy-3H-quizolin-4-one, 4(1H)-Quinazolinone, 5-methoxy-, 4(3H)-Quinazolinone, 5-methoxy-

5-Methoxyquinazolin-4(3H)-one (CAS 135106-52-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H8N2O2 and a molecular weight of 176.172 g/mol. Key properties include a boiling point of 365.0±44.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 174.5±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
135106-52-4
Jingsj CID
J-1502801-0
Molecular Formula
C9H8N2O2
Molecular Weight
176.172 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point365.0±44.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point174.5±28.4 °C
Exact Mass176.058578
PSA55.24000
LogP0.69
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.628

Frequently Asked Questions

What is the CAS number of 5-Methoxyquinazolin-4(3H)-one?

The CAS number of 5-Methoxyquinazolin-4(3H)-one is 135106-52-4.

What are the molecular formula and molecular weight of 5-Methoxyquinazolin-4(3H)-one?

5-Methoxyquinazolin-4(3H)-one has molecular formula C9H8N2O2 and molecular weight 176.172 g/mol.

What are the upstream and downstream products of 5-Methoxyquinazolin-4(3H)-one?

For 5-Methoxyquinazolin-4(3H)-one, Upstream Products: 5-Fluoroquinazolin-4(3H)-one, Sodium methoxide; Downstream Products: 4-Chloro-5-methoxyquinazoline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "5-Methoxyquinazolin-4(3H)-one (CAS 135106-52-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1502801-0 (accessed 2026-11-09).

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