3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one

Also known as: 3-(4-Bromophenyl)-2-sulfanylquinazolin-4(3H)-one, 3-(4-Bromophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one, 3-(4-Bromophenyl)-2-thioxo-2,3-dihydro-4(1H)-quinazolinone, 3-(4-bromophenyl)-2-sulfanylidene-1,2,3,4-tetrahydroquinazolin-4-one, 3-(4-bromophenyl)-2-sulfanylidene-1H-quinazolin-4-one, 3-(4-bromophenyl)-2-thio-1H,3H-quinazolin-4-one, 4(1H)-Quinazolinone, 3-(4-bromophenyl)-2,3-dihydro-2-thioxo-, 3-p-bromophenyl-4-oxoquinazoline-2-thione, 3-N-p-bromophenylquinazoline-2-thione-4-one

3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 1028-39-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H9BrN2OS and a molecular weight of 333.20300 g/mol. Key properties include a melting point of 338-340ºC, a boiling point of 472ºC at 760mmHg, a density of 1.72g/cm3 and a flash point of 239.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1028-39-3
Jingsj CID: J-1439335-2
Molecular Formula: C₁₄H₉BrN₂OS
Molecular Weight: 333.20300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	338-340ºC
Boiling Point	472ºC at 760mmHg
Density	1.72g/cm3
Flash Point	239.3ºC
Exact Mass	331.96200
PSA	69.88000
LogP	3.81080
Vapor Pressure	4.42E-09mmHg at 25°C
Refractive Index	1.78

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 3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one?

The CAS number of 3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one is 1028-39-3.

What are the molecular formula and molecular weight of 3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one?

3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one has molecular formula C14H9BrN2OS and molecular weight 333.20300 g/mol.

What are the upstream and downstream products of 3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one?

For 3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one, Upstream Products: Dimethyl Trithiocarbonate, 4-Bromoaniline, Isatoic anhydride.

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. "3-(4-Bromophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 1028-39-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1439335-2 (accessed 2026-11-09).

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