3-amino-5,6-dimethyl-3H-thieno[2,3-d]pyrimidin-4-one

3-氨基-5,6-二甲基-3H-噻吩并[2,3-d]嘧啶-4-酮

Also known as: 3-amino-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-5,6-dimethyl-3H,4H-thieno[2,3-d]pyrimidin-4-one, 3-amino-5,6-dimethylthieno[2,3-d]pyrimidin-4-one, thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-5,6-dimethyl-

3-amino-5,6-dimethyl-3H-thieno[2,3-d]pyrimidin-4-one (CAS 32973-77-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9N3OS and a molecular weight of 195.24200 g/mol. It is also known as 3-amino-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-5,6-dimethyl-3H,4H-thieno[2,3-d]pyrimidin-4-one and 3-amino-5,6-dimethylthieno[2,3-d]pyrimidin-4-one. Key properties include a boiling point of 416.6ºC at 760mmHg, a density of 1.54g/cm3 and a flash point of 205.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

32973-77-6

Jingsj CID

J-1327537-8

Molecular Formula

C₈H₉N₃OS

Chinese Name

3-氨基-5,6-二甲基-3H-噻吩并[2,3-d]嘧啶-4-酮

Molecular Weight

195.24200 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026