Ethyl 2-(5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)acetate

(5,6-二甲基-4-氧代-3,4-二氢-噻吩并[2,3-d]嘧啶-2-基)-乙酸乙酯

Also known as: (5,6-Dimethyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidin-2-yl)-acetic acid ethyl ester, Thieno[2,3-d]pyrimidine-2-aceticacid, 1,4-dihydro-5,6-dimethyl-4-oxo-, ethyl ester, ethyl 2-(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)acetate, 1,4-dihydro-5,6-dimethyl-4-oxo-thieno[2,3-d]pyrimidin-2-acetic acid ethyl ester

Ethyl 2-(5,6-dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidin-2-yl)acetate (CAS 105219-73-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H14N2O3S and a molecular weight of 266.31600 g/mol. It is also known as (5,6-Dimethyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidin-2-yl)-acetic acid ethyl ester, Thieno[2,3-d]pyrimidine-2-aceticacid, 1,4-dihydro-5,6-dimethyl-4-oxo-, ethyl ester and ethyl 2-(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)acetate. Key property: a density of 1.39g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

105219-73-6

Jingsj CID

J-1177890-3

Molecular Formula

C₁₂H₁₄N₂O₃S

Chinese Name

(5,6-二甲基-4-氧代-3,4-二氢-噻吩并[2,3-d]嘧啶-2-基)-乙酸乙酯

Molecular Weight

266.31600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026