1,2-Dihydro-2-(5-nitro-2-thienyl)quinazolin-4(3H)-one

1,2-二氢-2-(5-硝基-2-噻吩基)喹唑啉-4(3H)-酮

Also known as: 1,2-DIHYDRO-2-(5-NITRO-2-THIENYL)QUINAZOLINE-4-ONE, 2-(5-nitrothiophen-2-yl)-2,3-dihydro-1H-quinazolin-4-one, 4(1H)-Quinazolinone, 2,3-dihydro-2-(5-nitro-2-thienyl)-

1,2-Dihydro-2-(5-nitro-2-thienyl)quinazolin-4(3H)-one (CAS 33389-33-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H9N3O3S and a molecular weight of 275.28300 g/mol. It is also known as 1,2-DIHYDRO-2-(5-NITRO-2-THIENYL)QUINAZOLINE-4-ONE, 2-(5-nitrothiophen-2-yl)-2,3-dihydro-1H-quinazolin-4-one and 4(1H)-Quinazolinone, 2,3-dihydro-2-(5-nitro-2-thienyl)-. Key properties include a boiling point of 593.4ºC at 760 mmHg, a density of 1.446 and a flash point of 312.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

33389-33-2

Jingsj CID

J-1497499-3

Molecular Formula

C₁₂H₉N₃O₃S

Chinese Name

1,2-二氢-2-(5-硝基-2-噻吩基)喹唑啉-4(3H)-酮

Molecular Weight

275.28300 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026