7-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one

7-甲基-5,6,7,8-四氢[1]苯并噻吩并[2,3-d]嘧啶-4(3H)-酮

Also known as: 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one, 7-Methyl-5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidin-4(3H)-one, [1]Benzothieno[2,3-d]pyrimidin-4(1H)-one, 5,6,7,8-tetrahydro-7-methyl-, 5,6,7,8-Tetrahydro-7-methyl-(1)benzothieno(2,3-d)pyrimidin-4(1H)-one, 7-Methyl-5,6,7,8-tetrahydro-3H-[1]benzothiolo[2,3-d]pyrimidin-4-one

7-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one (CAS 95211-71-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2OS and a molecular weight of 220.29100 g/mol. It is also known as 7-Methyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one, 7-Methyl-5,6,7,8-tetrahydrobenzo[b]thieno[2,3-d]pyrimidin-4(3H)-one and [1]Benzothieno[2,3-d]pyrimidin-4(1H)-one, 5,6,7,8-tetrahydro-7-methyl-. Key properties include a boiling point of 477.1ºC at 760 mmHg, a density of 1.52g/cm3 and a flash point of 242.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
95211-71-5
Jingsj CID
J-1149835-1
Molecular Formula
C11H12N2OS
Chinese Name
7-甲基-5,6,7,8-四氢[1]苯并噻吩并[2,3-d]嘧啶-4(3H)-酮
Molecular Weight
220.29100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point477.1ºC at 760 mmHg
Density1.52g/cm3
Flash Point242.3ºC

Frequently Asked Questions

What is the CAS number of 7-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one?

The CAS number of 7-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one is 95211-71-5.

What are the molecular formula and molecular weight of 7-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one?

7-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one has molecular formula C11H12N2OS and molecular weight 220.29100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "7-Methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4(3H)-one (CAS 95211-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1149835-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.