4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine

4-羟基-6-巯基吡唑并[3,4-d]嘧啶

Also known as: 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol, 1,5,6,7-Tetrahydro-6-thioxo-4H-pyrazolo[3,4-d]pyrimidin-4-one, 6-Thioxo-1,5,6,7-tetrahydropyrazolo[3,4-d]pyrimidin-4-one, 4-Hydroxy-6-mercapto-1H-pyrazolo[3,4-d]pyrimidine, 6-Mercaptopyrazolo[3,4-d]pyrimidin-4-ol, 6-Mercapto-4-hydroxy-1H-pyrazolo[3,4-d]pyrimidine, 6-Thioxo-1,2,5,6-tetrahydro-4H-pyrazolo[3,4-d]pyrimidin-4-one, MFCD00022782

4-Hydroxy-6-mercaptopyrazolo[3,4-d]pyrimidine (CAS 24521-76-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4OS and a molecular weight of 168.17600 g/mol. It is also known as 6-Mercapto-1H-pyrazolo[3,4-d]pyrimidin-4-ol, 1,5,6,7-Tetrahydro-6-thioxo-4H-pyrazolo[3,4-d]pyrimidin-4-one and 6-Thioxo-1,5,6,7-tetrahydropyrazolo[3,4-d]pyrimidin-4-one. Key properties include a melting point of >310°C, a boiling point of 334.3ºC at 760mmHg, a density of 2.08g/cm3 and a flash point of 156ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

24521-76-4

Jingsj CID

J-15962-3

Molecular Formula

C₅H₄N₄OS

Chinese Name

4-羟基-6-巯基吡唑并[3,4-d]嘧啶

Molecular Weight

168.17600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026