4-ethyl-2H-phthalazin-1-one

4-乙基-2H-二氮杂萘-1-酮

Also known as: 4-ethyl-1(2H)-phthalazinone, 4-ethylphthalazin-1(2H)-one, 1(2H)-phthalazinone, 4-ethyl-, 1-ethyl-phthalaz-4-on, 4-aethyl-2H-phthalazin-1-on, 4-ethyl-phthalazin-2H-1-on

4-ethyl-2H-phthalazin-1-one (CAS 54145-30-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10N2O and a molecular weight of 174.19900 g/mol. It is also known as 4-ethyl-1(2H)-phthalazinone, 4-ethylphthalazin-1(2H)-one and 1(2H)-phthalazinone, 4-ethyl-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54145-30-1
Jingsj CID: J-1089087-3
Molecular Formula: C₁₀H₁₀N₂O
Chinese Name: 4-乙基-2H-二氮杂萘-1-酮
Molecular Weight: 174.19900 g/mol
Category: Ketones
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-ethyl-2H-phthalazin-1-one?

The CAS number of 4-ethyl-2H-phthalazin-1-one is 54145-30-1.

What are the molecular formula and molecular weight of 4-ethyl-2H-phthalazin-1-one?

4-ethyl-2H-phthalazin-1-one has molecular formula C10H10N2O and molecular weight 174.19900 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. "4-ethyl-2H-phthalazin-1-one (CAS 54145-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1089087-3 (accessed 2026-10-24).

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