Description

3,5-Dichloro-4-Methylpyridazine is a versatile halogenated heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its reactive dichloro and methyl substituents on the pyridazine ring, enabling precise functionalization for creating complex molecular architectures. This compound is primarily sought by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Ligand and Catalyst Development: Acts as a starting material for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Material Science Research: Employed in the synthesis of organic electronic materials, such as charge-transport layers or photoactive components.
• Custom Synthesis & Contract Manufacturing: A critical building block for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving global clients.
• Academic & Institutional Research: Utilized in universities and research institutes for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	3,5-Dichloro-4-Methylpyridazine
CAS No.	1351249-67-6
Molecular Formula	C5H4Cl2N2
Molecular Weight	163.00 g/mol
Synonyms	4-Methyl-3,5-dichloropyridazine; 3,5-Dichloro-4-methyl-1,2-diazine; 3,5-Dichloro-4-methylpyridazine; Pyridazine, 3,5-dichloro-4-methyl-; 1351249-67-6 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Every batch of 3,5-Dichloro-4-Methylpyridazine is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and development. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for all shipments. Our quality commitment supports compliance in cGMP (current Good Manufacturing Practice) environments for pharmaceutical applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.