5-((3-(benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one

5-((3-(benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1040638-05-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H13N5O4S and a molecular weight of 419.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1040638-05-8
Jingsj CID: J-1663593-3
Molecular Formula: C₂₀H₁₃N₅O₄S
Molecular Weight: 419.4 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-((3-(benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one?

The CAS number of 5-((3-(benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one is 1040638-05-8.

What are the molecular formula and molecular weight of 5-((3-(benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one?

5-((3-(benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one has molecular formula C20H13N5O4S and molecular weight 419.4 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-((3-(benzo[d][1,3]dioxol-5-yl)-1,2,4-oxadiazol-5-yl)methyl)-2-(thiophen-2-yl)pyrazolo[1,5-a]pyrazin-4(5H)-one (CAS 1040638-05-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1663593-3 (accessed 2026-10-23).

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