4-Chloro-7-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine

4-氯-7-甲基-5,6,7,8-四氢[1]苯并噻吩[2,3-d]嘧啶

Also known as: 4-chloro-7-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine, 4-chloro-7-methyl-5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidine, 3-chloro-11-methyl-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5-tetraene, (RS)-4-chloro-7-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine, 4-chloro-7-methyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]pyrimidine

4-Chloro-7-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine (CAS 137438-23-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H11ClN2S and a molecular weight of 238.73600 g/mol. It is also known as 4-chloro-7-methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine, 4-chloro-7-methyl-5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidine and 3-chloro-11-methyl-8-thia-4,6-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,5-tetraene. Key properties include a boiling point of 377.6ºC at 760 mmHg, a density of 1.339g/cm3 and a flash point of 182.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

137438-23-4

Jingsj CID

J-982263-0

Molecular Formula

C₁₁H₁₁ClN₂S

Chinese Name

4-氯-7-甲基-5,6,7,8-四氢[1]苯并噻吩[2,3-d]嘧啶

Molecular Weight

238.73600 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026