3-(4-Nitrophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one

Also known as: 2,3-Dihydro-3-(4-nitrophenyl)-2-thioxoquinazolin-4(1H)-one, 2,3-Dihydro-3-(4-nitrophenyl)-4-oxo-2-thioxo-1H-quinazoline, 3-(4-Nitrophenyl)-2-thioxo-2,3-dihydro-4(1H)-quinazolinone, 3-(4-Nitrophenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one, 3-(4-Nitrophenyl)-2-sulfanyl-3,4-dihydroquinazolin-4-one, 3-(4-Nitrophenyl)-2-sulfanylidene-1H-quinazolin-4-one, 4(1H)-Quinazolinone, 2,3-dihydro-3-(4-nitrophenyl)-2-thioxo-, 2-Mercapto-3-(p-nitrophenyl)-4(3H)-quinazolinone

3-(4-Nitrophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one (CAS 72176-80-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H9N3O3S and a molecular weight of 299.30500 g/mol. Key properties include a melting point of 319-320ºC, a boiling point of 513.1ºC at 760 mmHg, a density of 1.55g/cm3 and a flash point of 264.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 72176-80-8
Jingsj CID: J-930109-1
Molecular Formula: C₁₄H₉N₃O₃S
Molecular Weight: 299.30500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	319-320ºC
Boiling Point	513.1ºC at 760 mmHg
Density	1.55g/cm3
Flash Point	264.1ºC
Exact Mass	299.03600
PSA	115.70000
LogP	3.47970
Refractive Index	1.766

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-Nitrophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one?

The CAS number of 3-(4-Nitrophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one is 72176-80-8.

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

3-(4-Nitrophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one has molecular formula C14H9N3O3S and molecular weight 299.30500 g/mol.

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

For 3-(4-Nitrophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one, Upstream Products: Isatoic anhydride, 4-Nitrophenyl isothiocyanate, Methyl anthranilate.

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-Nitrophenyl)-2-thioxo-2,3-dihydro-1H-quinazolin-4-one (CAS 72176-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-930109-1 (accessed 2026-11-09).

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