Product Name: 4-(4-Chloro-benzyl)-2H-phthalazin-1-one CAS NO: 53242-88-9
Chemical & Physical Properties:
Appearance : white or off-white powder.
Assay : ≥99.0%
Melting point: 217-219℃
Boiling Point: 522.3℃ at 760 mmHg
Flash Point: 269.7℃
Refractive Index: 1.66
Vapor Pressure: 0.0mmHg at 25°C
Solubility: Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly).
Category: Standards; Pharmaceutical/API Drug Impurities/Metabolites;
HS Code: 2933990090
Storage:Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.
1. 4-[(4-chlorophenyl)methyl]-2H-phthalazin-1-one is used to synthesis Azelastine hydrochloride; Azelastine hydrochloride intermediates.
2. 4-(4-chlorobenzyl)phthalazin-1-ol is an impurity of Azelastine.
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Inventory Status : In Stock.
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