3-Amino-2-methyl-5-phenylthieno[2,3-d]pyrimidin-4(3H)-one

3-氨基-2-甲基-5-苯基噻吩并[2,3-d]嘧啶-4(3H)-酮

Also known as: 3-Amino-2-methyl-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one, 3-amino-2-methyl-5-phenylthieno(2,3-d)pyrimidin-4(3H)-one, 3-amino-2-methyl-5-phenylthieno[2,3-d]pyrimidin-4(3H)-one, Thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-2-methyl-5-phenyl-

3-Amino-2-methyl-5-phenylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 43088-51-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H11N3OS and a molecular weight of 257.31100 g/mol. It is also known as 3-Amino-2-methyl-5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one, 3-amino-2-methyl-5-phenylthieno(2,3-d)pyrimidin-4(3H)-one and 3-amino-2-methyl-5-phenylthieno[2,3-d]pyrimidin-4(3H)-one. Key properties include a boiling point of 454ºC at 760 mmHg, a density of 1.43g/cm3 and a flash point of 228.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

43088-51-3

Jingsj CID

J-1502273-0

Molecular Formula

C₁₃H₁₁N₃OS

Chinese Name

3-氨基-2-甲基-5-苯基噻吩并[2,3-d]嘧啶-4(3H)-酮

Molecular Weight

257.31100 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026