Description

3-Chloropyridazin-4-Amine is a versatile heterocyclic building block of significant importance in modern organic synthesis. Its core value lies in its bifunctional reactivity, featuring both an amine group and a halogenated heteroaromatic ring, making it a key intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and pharmaceutical companies engaged in the development of new active pharmaceutical ingredients (APIs), agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the pyridazine scaffold's bioactivity.
• Chemical Research & Development: Acts as a versatile scaffold for constructing diverse heterocyclic libraries for high-throughput screening and structure-activity relationship (SAR) studies.
• Material Science: Potential building block for creating specialty polymers, ligands for catalysis, or organic electronic materials due to its aromatic structure and functional handles.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of bespoke compounds on a commercial scale.

Basic Information

Item	Details
Product Name	3-Chloropyridazin-4-Amine
CAS No.	55928-83-1
Molecular Formula	C4H4ClN3
Molecular Weight	129.55 g/mol
Synonyms	4-Amino-3-chloropyridazine; 3-Chloro-4-pyridazinamine; 3-Chloro-4-aminopyridazine; 4-Amino-3-chloro-1,2-diazine; 3-Chloropyridazin-4-ylamine; 3-Chloro-1,2-diazin-4-amine
EINECS	Contact for details

Quality Control

Our 3-Chloropyridazin-4-Amine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay purity and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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