Description

4,5-Dichloro-6-Hydroxy-2-Phenyl-3(2H)-Pyridazinone is a heterocyclic organic compound that serves as a versatile and critical synthetic intermediate in advanced chemical manufacturing. Its value lies in its unique pyridazinone core, which is functionalized to enable the synthesis of complex molecules with targeted biological or material properties. This compound is primarily required by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory activity.
• Agrochemical Synthesis: Used in the research and development of new herbicides and plant growth regulators, leveraging its heterocyclic structure.
• Chemical Research: Serves as a precursor for creating complex heterocyclic libraries for high-throughput screening in drug discovery programs.
• Material Science: Potential intermediate for the development of organic electronic materials or advanced polymers with specific optical or electronic properties.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized colorants and functional dyes due to its conjugated system.

Basic Information

Product Name	4,5-Dichloro-6-Hydroxy-2-Phenyl-3(2H)-Pyridazinone
CAS No.	1698-64-2
Molecular Formula	C10H6Cl2N2O2
Molecular Weight	257.07 g/mol
Synonyms	4,5-Dichloro-6-hydroxy-2-phenyl-3(2H)-pyridazinone; 4,5-Dichloro-6-hydroxy-2-phenylpyridazin-3(2H)-one; 2-Phenyl-4,5-dichloro-6-hydroxypyridazin-3(2H)-one; 4,5-Dichloro-2-phenyl-6-hydroxy-3(2H)-pyridazinone; 4,5-Dichloro-6-hydroxy-2-phenyl-2H-pyridazin-3-one; 4,5-Dichloro-6-hydroxy-2-phenyl-3-pyridazinone; NSC 403697
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-6-Hydroxy-2-Phenyl-3(2H)-Pyridazinone is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. Our quality commitment supports applications requiring high-purity intermediates for research and regulated synthesis.

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 strong oxidizing agents, strong acids, and strong bases. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
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.