2,3-Phthalazinone; 1-(2H)-Phthalazinone

2,3-Phthalazinone, also known as 1-(2H)-Phthalazinone (CAS 119-39-1), is a pharmaceutical-grade fine chemical offered by Hefei Home Sunshine Pharmaceutical Technology Co., Ltd., which trades rather than manufactures the compound. It is distributed broadly across the Americas, Europe, Australasia, Asia, the Middle East, and Africa, though no samples are currently offered.