2-(4-ethylphenyl)-4-[3-(4-ethylphenyl)-1,2,4-oxadiazol-5-yl]phthalazin-1(2H)-one

2-(4-ethylphenyl)-4-[3-(4-ethylphenyl)-1,2,4-oxadiazol-5-yl]phthalazin-1(2H)-one (CAS 1291857-88-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C26H22N4O2 and a molecular weight of 422.5 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1291857-88-9
Jingsj CID: J-1345946-2
Molecular Formula: C₂₆H₂₂N₄O₂
Molecular Weight: 422.5 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 2-(4-ethylphenyl)-4-[3-(4-ethylphenyl)-1,2,4-oxadiazol-5-yl]phthalazin-1(2H)-one?

The CAS number of 2-(4-ethylphenyl)-4-[3-(4-ethylphenyl)-1,2,4-oxadiazol-5-yl]phthalazin-1(2H)-one is 1291857-88-9.

What are the molecular formula and molecular weight of 2-(4-ethylphenyl)-4-[3-(4-ethylphenyl)-1,2,4-oxadiazol-5-yl]phthalazin-1(2H)-one?

2-(4-ethylphenyl)-4-[3-(4-ethylphenyl)-1,2,4-oxadiazol-5-yl]phthalazin-1(2H)-one has molecular formula C26H22N4O2 and molecular weight 422.5 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. "2-(4-ethylphenyl)-4-[3-(4-ethylphenyl)-1,2,4-oxadiazol-5-yl]phthalazin-1(2H)-one (CAS 1291857-88-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345946-2 (accessed 2026-10-24).

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