Description

4,6-Dichloro-3-(4-Ethylphenyl)-Pyridazine is a high-purity, halogenated pyridazine derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of active pharmaceutical ingredients (APIs) and functional agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific chlorinated pyridazine motifs into complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of novel drug candidates, particularly in kinase inhibitor and other small-molecule therapeutic programs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging the bioactivity of the pyridazine core.
• Material Science Research: Serves as a precursor for the synthesis of specialized ligands, organic electronic materials, and liquid crystals.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects requiring precise halogenated heterocycles.

Basic Information

Product Name	4,6-Dichloro-3-(4-Ethylphenyl)-Pyridazine
CAS No.	151192-66-4
Molecular Formula	C₁₂H₁₀Cl₂N₂
Molecular Weight	253.13 g/mol
Synonyms	3-(4-Ethylphenyl)-4,6-dichloropyridazine; 4,6-Dichloro-3-(p-ethylphenyl)pyridazine; 4,6-Dichloro-3-(4-ethylphenyl)-1,2-diazine; 4,6-Dichloro-3-(4'-ethylphenyl)pyridazine; Pyridazine, 4,6-dichloro-3-(4-ethylphenyl)-; 151192-66-4; 4,6-Dichloro-3-(4-ethylphenyl)pyridazine
EINECS	Contact for details

Quality Control

Our 4,6-Dichloro-3-(4-Ethylphenyl)-Pyridazine is manufactured under strict quality management systems. 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 aligns with cGMP standards for pharmaceutical intermediates, ensuring reliability for your most critical synthesis steps.

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 the container tightly sealed in a dry environment to minimize moisture uptake. Store 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
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.