3-Allyl-5,6-dimethyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one

3-烯丙基-5,6-二甲基-2-硫氧代-2,3-二氢噻吩并[2,3-d]嘧啶-4(1H)-酮

Also known as: 3-Allyl-2-mercapto-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one, Thieno[2,3-d]pyrimidin-4(1H)-one, 2,3-dihydro-5,6-dimethyl-3-(2-propen-1-yl)-2-thioxo-, 3-Allyl-5,6-dimethyl-2-thioxo-2,3-dihydro-1H-thieno[2,3-d]pyrimidin-4-one, 5,6-Dimethyl-3-prop-2-enyl-2-sulfanylidene-1H-thieno[2,3-d]pyrimidin-4-one, 5,6-Dimethyl-3-prop-2-enyl-2-thioxo-1,3-dihydrothiopheno[2,3-d]pyrimidin-4-one, AKOS BBS-00000894

3-Allyl-5,6-dimethyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one (CAS 51486-16-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2OS2 and a molecular weight of 252.35600 g/mol. It is also known as 3-Allyl-2-mercapto-5,6-dimethylthieno[2,3-d]pyrimidin-4(3H)-one, Thieno[2,3-d]pyrimidin-4(1H)-one, 2,3-dihydro-5,6-dimethyl-3-(2-propen-1-yl)-2-thioxo- and 3-Allyl-5,6-dimethyl-2-thioxo-2,3-dihydro-1H-thieno[2,3-d]pyrimidin-4-one. Key properties include a boiling point of 412.6ºC at 760 mmHg, a density of 1.35g/cm3 and a flash point of 203.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

51486-16-9

Jingsj CID

J-978307-4

Molecular Formula

C₁₁H₁₂N₂OS₂

Chinese Name

3-烯丙基-5,6-二甲基-2-硫氧代-2,3-二氢噻吩并[2,3-d]嘧啶-4(1H)-酮

Molecular Weight

252.35600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026