Description

4,5-Dichloro-2-[3-(Trifluoromethyl)Phenyl]Pyridazin-3(2H)-One is a high-value, multi-functional heterocyclic compound that serves as a critical building block in advanced chemical synthesis. Its unique molecular structure, featuring both chloro and trifluoromethyl substituents, makes it an essential intermediate for developing novel active ingredients. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical sectors for creating new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in therapeutic areas requiring specific halogenated and fluorinated motifs.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the pyridazinone core contributes to biological efficacy.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and lead optimization.
• Material Science Precursor: Potential use in the synthesis of specialty chemicals and functional materials requiring fluorinated aromatic systems.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Product Name	4,5-Dichloro-2-[3-(Trifluoromethyl)Phenyl]Pyridazin-3(2H)-One
CAS No.	26806-47-3
Molecular Formula	C11H5Cl2F3N2O
Molecular Weight	307.07 g/mol
Synonyms	4,5-Dichloro-2-[3-(trifluoromethyl)phenyl]-2,3-dihydropyridazin-3-one; 2-(3-Trifluoromethylphenyl)-4,5-dichloropyridazin-3(2H)-one; 4,5-Dichloro-2-(3-trifluoromethylphenyl)-3(2H)-pyridazinone; 3(2H)-Pyridazinone, 4,5-dichloro-2-[3-(trifluoromethyl)phenyl]-; 26806-47-3; 4,5-Dichloro-2-(alpha,alpha,α-trifluoro-m-tolyl)-3(2H)-pyridazinone
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-2-[3-(Trifluoromethyl)Phenyl]Pyridazin-3(2H)-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

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%

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