Description

4-Chloro-2-(3-Chlorophenyl)-5-[(2-Hydroxyethyl)Amino]-3(2H)-Pyridazinone is a specialized pyridazinone derivative, a key chemical intermediate valued for its unique heterocyclic structure and functional groups. This compound matters for its role in advanced organic synthesis, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new products with targeted biological activity.

Application

• As a critical pharmaceutical intermediate in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or inflammatory pathways.
• In agrochemical research and development for creating new herbicides, fungicides, or plant growth regulators.
• As a versatile building block in fine chemical synthesis for constructing complex heterocyclic compounds.
• For use in academic and industrial R&D to study structure-activity relationships (SAR) in medicinal chemistry.
• In the development of dye and pigment precursors, leveraging its aromatic and amino-functionalized structure.
• As a potential intermediate for specialty polymer modifiers or additives.

Basic Information

Product Name	4-Chloro-2-(3-Chlorophenyl)-5-[(2-Hydroxyethyl)Amino]-3(2H)-Pyridazinone
CAS No.	320421-79-2
Molecular Formula	C12H11Cl2N3O2
Molecular Weight	300.14 g/mol
Synonyms	5-[(2-Hydroxyethyl)amino]-4-chloro-2-(3-chlorophenyl)-3(2H)-pyridazinone; 4-Chloro-2-(3-chlorophenyl)-5-[(2-hydroxyethyl)amino]-2H-pyridazin-3-one; 2H-Pyridazin-3-one, 4-chloro-2-(3-chlorophenyl)-5-[(2-hydroxyethyl)amino]-; 320421-79-2; 4-Chloro-2-(3-chlorophenyl)-5-(2-hydroxyethylamino)pyridazin-3(2H)-one
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-(3-Chlorophenyl)-5-[(2-Hydroxyethyl)Amino]-3(2H)-Pyridazinone is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent identity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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