Description

4-(4-Chlorophenyl)-2-Phenyl-1(2H)-Phthalazinone is a high-purity organic intermediate of significant importance in advanced chemical synthesis. This compound matters for its role as a key building block in the development of complex heterocyclic molecules, particularly in pharmaceutical research and development. Industrial buyers in the fine chemical, agrochemical, and pharmaceutical API sectors require this material for its specific structural features that enable targeted molecular construction.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic core structure.
• Material Science: Serves as a monomer or functional component in the research of advanced polymers and organic electronic materials.
• Dye & Pigment Synthesis: Acts as an intermediate for creating specialized colorants and functional dyes due to the phthalazinone moiety.
• Academic & R&D: Employed in university and corporate research laboratories for methodological studies in organic chemistry and heterocyclic compound synthesis.
• Custom Synthesis: A starting point for contract research organizations (CROs) and CDMOs performing bespoke synthesis for client projects.

Basic Information

Product Name	4-(4-Chlorophenyl)-2-Phenyl-1(2H)-Phthalazinone
CAS No.	57709-77-0
Molecular Formula	C20H13ClN2O
Molecular Weight	332.78 g/mol
Synonyms	4-(4-Chlorophenyl)-2-phenylphthalazin-1(2H)-one; 2-Phenyl-4-(4-chlorophenyl)-1,2-dihydrophthalazin-1-one; 4-(p-Chlorophenyl)-2-phenyl-1(2H)-phthalazinone; 1(2H)-Phthalazinone, 4-(4-chlorophenyl)-2-phenyl-; 2-Phenyl-4-(4'-chlorophenyl)phthalazin-1(2H)-one; 4-(4-Chlorophenyl)-2-phenyl-1,2-dihydrophthalazin-1-one
EINECS	Contact for details

Quality Control

Our 4-(4-Chlorophenyl)-2-Phenyl-1(2H)-Phthalazinone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. This material is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.