3-(2,4-dimethoxyphenyl)-5,6-dimethyl-1-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl]-4aH-thieno[2,3-d]pyrimidin-1-ium-2,4-dione

3-(2,4-dimethoxyphenyl)-5,6-dimethyl-1-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl]-4aH-thieno[2,3-d]pyrimidin-1-ium-2,4-dione (CAS 899928-29-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C25H23N4O5S+ and a molecular weight of 491.5 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
899928-29-1
Jingsj CID
J-1871435-9
Molecular Formula
C25H23N4O5S
Molecular Weight
491.5 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-(2,4-dimethoxyphenyl)-5,6-dimethyl-1-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl]-4aH-thieno[2,3-d]pyrimidin-1-ium-2,4-dione?

The CAS number of 3-(2,4-dimethoxyphenyl)-5,6-dimethyl-1-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl]-4aH-thieno[2,3-d]pyrimidin-1-ium-2,4-dione is 899928-29-1.

What are the molecular formula and molecular weight of 3-(2,4-dimethoxyphenyl)-5,6-dimethyl-1-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl]-4aH-thieno[2,3-d]pyrimidin-1-ium-2,4-dione?

3-(2,4-dimethoxyphenyl)-5,6-dimethyl-1-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl]-4aH-thieno[2,3-d]pyrimidin-1-ium-2,4-dione has molecular formula C25H23N4O5S+ and molecular weight 491.5 g/mol.

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

Last updated:

How to cite: Jingsj. "3-(2,4-dimethoxyphenyl)-5,6-dimethyl-1-[(4-oxopyrido[1,2-a]pyrimidin-2-yl)methyl]-4aH-thieno[2,3-d]pyrimidin-1-ium-2,4-dione (CAS 899928-29-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1871435-9 (accessed 2026-10-25).

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