4-(4-Bromophenyl)phthalazin-1(2H)-one

Also known as: 1(2H)-Phthalazinone, 4-(4-bromophenyl)-, 4-(4-Bromophenyl)-1(2H)-phthalazinone, 4-(4-bromophenyl)-2H-phthalazin-1-one, 4(4-Bromophenyl)-1(2H)phthalazinone, Venadaparib Impurity 2, MFCD02660631

4-(4-Bromophenyl)phthalazin-1(2H)-one (CAS 76462-38-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H9BrN2O and a molecular weight of 301.13800 g/mol. Key properties include a melting point of 269.5-273.5ºC(lit.) and a density of 1.57g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 76462-38-9
Jingsj CID: J-6645-5
Molecular Formula: C₁₄H₉BrN₂O
Molecular Weight: 301.13800 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	269.5-273.5ºC(lit.)
Density	1.57g/cm3
Exact Mass	299.99000
PSA	45.75000
LogP	3.35260
Refractive Index	1.697

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-(4-Bromophenyl)phthalazin-1(2H)-one?

The CAS number of 4-(4-Bromophenyl)phthalazin-1(2H)-one is 76462-38-9.

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

4-(4-Bromophenyl)phthalazin-1(2H)-one has molecular formula C14H9BrN2O and molecular weight 301.13800 g/mol.

What are the upstream and downstream products of 4-(4-Bromophenyl)phthalazin-1(2H)-one?

For 4-(4-Bromophenyl)phthalazin-1(2H)-one, Upstream Products: 2-(4-bromobenzoyl)benzoic acid, Bromobenzene, N-aminophthalimide.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-(4-Bromophenyl)phthalazin-1(2H)-one (CAS 76462-38-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6645-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.