5-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one

5-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one (CAS 1040635-28-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C21H13ClFN5O2 and a molecular weight of 421.8 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1040635-28-6
Jingsj CID
J-1663582-1
Molecular Formula
C21H13ClFN5O2
Molecular Weight
421.8 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-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one?

The CAS number of 5-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one is 1040635-28-6.

What are the molecular formula and molecular weight of 5-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one?

5-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one has molecular formula C21H13ClFN5O2 and molecular weight 421.8 g/mol.

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

Last updated:

How to cite: Jingsj. "5-{[3-(3-chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl}-2-(4-fluorophenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one (CAS 1040635-28-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1663582-1 (accessed 2026-10-24).

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