Description

4,5-Dichloro-2-(4-Methylbenzoyl)Pyridazin-3-One is a high-purity, synthetically versatile pyridazinone derivative. This compound serves as a critical advanced pharmaceutical intermediate and a valuable building block in organic synthesis. It is primarily utilized by R&D chemists and process development teams in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Reagent: Used in heterocyclic chemistry for constructing complex molecular architectures via cross-coupling and cyclization reactions.
• Material Science Research: Investigated as a monomer or additive for creating specialized polymers with unique electronic or thermal properties.
• Chemical Biology Probe: Serves as a scaffold for developing enzyme inhibitors or molecular probes in biochemical research.

Basic Information

Product Name	4,5-Dichloro-2-(4-Methylbenzoyl)Pyridazin-3-One
CAS No.	155164-67-3
Molecular Formula	C₁₂H₈Cl₂N₂O₂
Molecular Weight	283.11 g/mol
Synonyms	2-(4-Methylbenzoyl)-4,5-dichloropyridazin-3(2H)-one; 4,5-Dichloro-2-(p-toluoyl)-3(2H)-pyridazinone; 4,5-Dichloro-2-(4-methylbenzoyl)-3(2H)-pyridazinone; 4,5-Dichloro-2-(p-methylbenzoyl)pyridazin-3-one; 155164-67-3; 2H-Pyridazin-3-one, 4,5-dichloro-2-(4-methylbenzoyl)-; p-Toluoyl dichloropyridazinone
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-2-(4-Methylbenzoyl)Pyridazin-3-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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 incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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