Description

4-(Chloromethyl)-3-Methoxypyridazine Hydrochloride is a high-purity, advanced pharmaceutical intermediate and versatile chemical building block. Its molecular structure, featuring both a reactive chloromethyl group and a methoxy-substituted pyridazine ring, makes it a critical precursor for synthesizing complex active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research and production chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel heterocyclic compounds.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-infective therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with pyridazine-based active ingredients.
• Chemical Research: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Fine Chemical Production: Intermediate for manufacturing specialty chemicals, dyes, and functional materials requiring specific heterocyclic architectures.
• API Development: Critical precursor in multi-step synthetic routes for target molecules in preclinical and clinical development pipelines.

Basic Information

Product Name	4-(Chloromethyl)-3-Methoxypyridazine Hydrochloride
CAS No.	1956381-55-7
Molecular Formula	C6H8Cl2N2O
Molecular Weight	195.05 g/mol
Synonyms	3-Methoxy-4-(chloromethyl)pyridazine hydrochloride; 4-(Chloromethyl)-3-methoxypyridazine HCl; 3-Methoxy-4-(chloromethyl)pyridazine HCl; 4-Chloromethyl-3-methoxypyridazine hydrochloride; Pyridazine, 4-(chloromethyl)-3-methoxy-, hydrochloride (1:1); (3-Methoxypyridazin-4-yl)methyl chloride hydrochloride
EINECS	Contact for details

Quality Control

Our 4-(Chloromethyl)-3-Methoxypyridazine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and KF titration for moisture content, to ensure it meets the high standards required for pharmaceutical R&D. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications.

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 light-sensitive; containers must be kept tightly sealed and opened under a dry, inert atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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