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

3-氨基-2-硫代-2,3-二氢喹唑啉-4(1H)-酮

Also known as: 3-Amino-2-mercapto-3H-quinazolin-4-one, 3-Amino-2-mercaptoquinazolin-4(3H)-one, 3-Amino-2,3-dihydro-2-thioxo-4(1H)-quinazolinone, 3-Amino-2-thioxo-2,3-dihydro-4(1H)-quinazolinone, 3-Amino-2-thioxo-2,3-dihydroquinazolin-4(1H)-one hydrochloride, 3-Amino-2-sulfanylidene-1H-quinazolin-4-one, 3-Amino-2-sulfanylquinazolin-4(3H)-one, 4(1H)-Quinazolinone, 3-amino-2,3-dihydro-2-thioxo-, AKOS B020621, ART-CHEM-BB B020621, ZERENEX E/4047831

3-Amino-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 16951-33-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7N3OS and a molecular weight of 193.226 g/mol. It is also known as 3-Amino-2-mercapto-3H-quinazolin-4-one, 3-Amino-2-mercaptoquinazolin-4(3H)-one and 3-Amino-2,3-dihydro-2-thioxo-4(1H)-quinazolinone. Key properties include a boiling point of 372.9±25.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 179.3±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

16951-33-0

Jingsj CID

J-1031293-9

Molecular Formula

C₈H₇N₃OS

Chinese Name

3-氨基-2-硫代-2,3-二氢喹唑啉-4(1H)-酮

Molecular Weight

193.226 g/mol

Category

Ketones

Last updated

8/21/2026