2-Phenyl-4(3H)-quinazolinone

Also known as: 2-Phenylquinazolin-4(1H)-one, 2-Phenyl-4(1H)-quinazolinone, 2-phenylquinazolin-4-ol, 2-phenyl-1H-quinazolin-4-one, 2-phenylquinazolin-4(3H)-one, 4(1H)-Quinazolinone, 2-phenyl-, NSC 400966, NSC 131274, 2-Phenyl-4-quinazolone, 2-Phenyl-4-quinazolinone

2-Phenyl-4(3H)-quinazolinone (CAS 1022-45-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H10N2O and a molecular weight of 222.242 g/mol. Key properties include a boiling point of 398.2±25.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 194.6±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1022-45-3
Jingsj CID: J-1993848-8
Molecular Formula: C₁₄H₁₀N₂O
Molecular Weight: 222.242 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	398.2±25.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	194.6±23.2 °C
Exact Mass	222.079315
PSA	46.01000
LogP	2.46
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.663

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-Phenyl-4(3H)-quinazolinone?

The CAS number of 2-Phenyl-4(3H)-quinazolinone is 1022-45-3.

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

2-Phenyl-4(3H)-quinazolinone has molecular formula C14H10N2O and molecular weight 222.242 g/mol.

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

For 2-Phenyl-4(3H)-quinazolinone, Upstream Products: Isatoic anhydride, Benzaldehyde, Benzamidine hydrochloride; Downstream Products: 4-chloro-2-phenylquinazoline, Salicylamide, 2-Phenylquinazolin-4-amine.

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-Phenyl-4(3H)-quinazolinone (CAS 1022-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993848-8 (accessed 2026-11-09).

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