Description

4-Methylphthalazin-1(2H)-One is a versatile heterocyclic organic compound that serves as a crucial building block in advanced chemical synthesis. Its unique phthalazinone core structure makes it a valuable intermediate for developing pharmaceuticals, agrochemicals, and specialty materials. This high-purity compound is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with potential biological activity targeting various disease pathways.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials or host materials in the fabrication of OLED devices due to its rigid, conjugated structure.
• Coordination Chemistry & Ligand Synthesis: Acts as a starting material for creating complexing agents or ligands for metal catalysts used in cross-coupling and other organic transformations.
• Dye and Pigment Intermediate: Utilized in the synthesis of specialized dyes and pigments where the phthalazinone moiety contributes to color and stability properties.
• Research & Development: A valuable compound for academic and industrial R&D focused on medicinal chemistry, material science, and novel heterocyclic compound libraries.

Basic Information

Product Name	4-Methylphthalazin-1(2H)-One
CAS No.	5004-48-8
Molecular Formula	C9H8N2O
Molecular Weight	160.17 g/mol
Synonyms	4-Methyl-1(2H)-phthalazinone; 4-Methylphthalazin-1-one; 4-Methyl-1-phthalazinone; 4-Methyl-2H-phthalazin-1-one; 1(2H)-Phthalazinone, 4-methyl-; 4-Methylphthalazone; 4-Methyl-1,2-dihydrophthalazin-1-one
EINECS	Contact for details

Quality Control

Our 4-Methylphthalazin-1(2H)-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the material meets the high standards required for pharmaceutical and advanced chemical synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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