Description

3-Chloro-4-Methylpyridazine Hydrochloride is a high-purity, versatile organic building block and pharmaceutical intermediate. This compound is valued for its unique pyridazine core, which is integral to the synthesis of bioactive molecules and advanced materials. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the creation of advanced herbicides, fungicides, and insecticides, leveraging the pyridazine moiety for biological activity.
• Chemical Research & Development: Serves as a fundamental building block in organic synthesis for constructing complex heterocyclic systems in academic and industrial R&D labs.
• Material Science: Potential precursor for the synthesis of ligands, catalysts, and functional organic materials used in electronic or photonic applications.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds and small-scale API (Active Pharmaceutical Ingredient) batches.

Basic Information

Product Name	3-Chloro-4-Methylpyridazine Hydrochloride
CAS No.	1566649-48-6
Molecular Formula	C5H6Cl2N2
Molecular Weight	165.02 g/mol
Synonyms	3-Chloro-4-methylpyridazine HCl; 3-Chloro-4-methylpyridazine hydrochloride; 4-Methyl-3-chloropyridazine hydrochloride; Pyridazine, 3-chloro-4-methyl-, hydrochloride (1:1); 3-Chloro-4-methyl-1,2-diazinium chloride
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Methylpyridazine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.