Description

4,5-Dihydro-6-Methyl-2-Phenylpyridazin-3(2H)-One is a high-purity organic compound belonging to the pyridazinone class, serving as a critical advanced intermediate in modern chemical synthesis. Its value lies in providing a versatile and reliable building block for the development of complex molecules, ensuring consistent quality and reaction outcomes. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise and scalable intermediates.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting the central nervous system or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic core structure.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor or core structure in the synthesis of electron-transport or host materials for advanced display technologies.
• Ligand and Catalyst Development: Employed in academic and industrial research to create novel ligands for transition metal catalysis or organocatalysts.
• Dye and Pigment Intermediate: Functions as a building block for synthesizing specialized heterocyclic dyes and functional pigments.
• Chemical Research & Development: A versatile scaffold for medicinal chemistry, combinatorial chemistry, and the exploration of new chemical entities in corporate and academic laboratories.

Basic Information

Product Name	4,5-Dihydro-6-Methyl-2-Phenylpyridazin-3(2H)-One
CAS No.	4578-58-9
Molecular Formula	C11H12N2O
Molecular Weight	188.23 g/mol
Synonyms	6-Methyl-2-phenyl-4,5-dihydro-3(2H)-pyridazinone; 2-Phenyl-6-methyl-4,5-dihydro-3(2H)-pyridazinone; 6-Methyl-2-phenyl-2,4,5,6-tetrahydropyridazin-3-one; 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-2-phenyl-; 2-Phenyl-6-methyl-δ²-4,5-dihydropyridazin-3-one; 6-Methyl-2-phenyl-4,5-dihydro-2H-pyridazin-3-one; 4,5-Dihydro-6-methyl-2-phenyl-3(2H)-pyridazinone
EINECS	Contact for details

Quality Control

Our 4,5-Dihydro-6-Methyl-2-Phenylpyridazin-3(2H)-One is manufactured under a strict quality management system. Every 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 critical specifications. Our production adheres to cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.