Description

3-Chloropyridazine Hydrochloride is a versatile and high-value heterocyclic building block essential for advanced organic synthesis. This compound is particularly significant for introducing the chloropyridazine moiety, a key structural motif in medicinal chemistry and materials science. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging the pyridazine scaffold's bioactivity.
• Ligand and Catalyst Development: Acts as a starting material for creating specialized ligands used in transition metal catalysis and organometallic chemistry.
• Material Science Research: Employed in the synthesis of organic electronic materials, such as charge-transport layers or photoactive components, due to its electron-deficient aromatic system.
• Chemical Biology Probes: Utilized to develop molecular probes and tags for studying biological processes and enzyme inhibition.
• Custom Synthesis and Scale-up: A key building block for contract research and manufacturing organizations (CROs/CMOs) offering bespoke chemical synthesis services.

Basic Information

Product Name	3-Chloropyridazine Hydrochloride
CAS No.	856847-77-3
Molecular Formula	C4H4Cl2N2
Molecular Weight	151.00 g/mol
Synonyms	3-Chloropyridazine HCl; 3-Chloro-1,2-diazine hydrochloride; Pyridazine, 3-chloro-, hydrochloride (1:1); 3-Chloropyridazine monohydrochloride; 3-Chloro-1,2-diazinium chloride
EINECS	Contact for details

Quality Control

Our 3-Chloropyridazine Hydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment to guarantee traceability and batch-to-batch consistency.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

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%

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