3-Amino-2,5,6-trimethyl-3H-thieno[2,3-d]pyrimidin-4-one

3-氨基-2,5,6-三甲基-3H-噻吩并[2,3-d]嘧啶-4-酮

Also known as: 3-Amino-2,5,6-trimethylthieno[2,3-d]pyrimidin-4-one, 3-Amino-2,5,6-trimethyl-4-thieno[3,2-e]pyrimidinone, Thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-2,5,6-trimethyl-, ZINC00104688, STK279702, BAS 00386790, Oprea1_359490, Oprea1_239823

3-Amino-2,5,6-trimethyl-3H-thieno[2,3-d]pyrimidin-4-one (CAS 80381-63-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H11N3OS and a molecular weight of 209.26800 g/mol. It is also known as 3-Amino-2,5,6-trimethylthieno[2,3-d]pyrimidin-4-one, 3-Amino-2,5,6-trimethyl-4-thieno[3,2-e]pyrimidinone and Thieno[2,3-d]pyrimidin-4(3H)-one, 3-amino-2,5,6-trimethyl-. Key properties include a boiling point of 413.8ºC at 760mmHg, a density of 1.47g/cm3 and a flash point of 204.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

80381-63-1

Jingsj CID

J-1318047-4

Molecular Formula

C₉H₁₁N₃OS

Chinese Name

3-氨基-2,5,6-三甲基-3H-噻吩并[2,3-d]嘧啶-4-酮

Molecular Weight

209.26800 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026