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3-Phenyl-2,4(1H,3H)-quinazolinedione

Also known as: 2,4(1H,3H)-Quinazolinedione, 3-phenyl-, 3-Phenyl-1H,3H-quinazoline-2,4-dione, 3-Phenylquinazoline-2,4(1H,3H)-dione, 3-Phenyl-1,2,3,4-tetrahydroquinazoline-2,4-dione, 2,4-dioxo-3-phenyl-1,2,3,4-tetrahydroquinazoline, 3-Phenylbenzoyleneurea

3-Phenyl-2,4(1H,3H)-quinazolinedione (CAS 603-23-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H10N2O2 and a molecular weight of 238.24100 g/mol. Key properties include a melting point of 281-283ºC, a boiling point of 447.6ºC at 760 mmHg, a density of 1.319g/cm3 and a flash point of 224.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
603-23-6
Jingsj CID
J-885203-7
Molecular Formula
C14H10N2O2
Molecular Weight
238.24100 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Melting Point281-283ºC
Boiling Point447.6ºC at 760 mmHg
Density1.319g/cm3
Flash Point224.5ºC
Exact Mass238.07400
PSA54.86000
LogP1.67900
Refractive Index1.644

Frequently Asked Questions

What is the CAS number of 3-Phenyl-2,4(1H,3H)-quinazolinedione?

The CAS number of 3-Phenyl-2,4(1H,3H)-quinazolinedione is 603-23-6.

What are the molecular formula and molecular weight of 3-Phenyl-2,4(1H,3H)-quinazolinedione?

3-Phenyl-2,4(1H,3H)-quinazolinedione has molecular formula C14H10N2O2 and molecular weight 238.24100 g/mol.

What are the upstream and downstream products of 3-Phenyl-2,4(1H,3H)-quinazolinedione?

For 3-Phenyl-2,4(1H,3H)-quinazolinedione, Upstream Products: 2-Iodoaniline, 2-Nitro-N-phenylbenzamide, Methyl 2-bromobenzoate; Downstream Products: 3-amino-1H-quinazoline-2,4-dione, Benzoyleneurea, 2-aminobenzohydrazide.

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

Last updated:

How to cite: Jingsj. "3-Phenyl-2,4(1H,3H)-quinazolinedione (CAS 603-23-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-885203-7 (accessed 2026-11-09).

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