Description

4-Pyridazinol, 5,6-Dichloro- is a halogenated pyridazine derivative, a versatile heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its functionalized structure, which serves as a critical precursor for developing novel compounds with targeted biological and material properties. This intermediate is primarily needed by research institutions and pharmaceutical companies engaged in medicinal chemistry, as well as by agrochemical R&D teams exploring new active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in areas requiring heterocyclic scaffolds.
• Agrochemical Synthesis: Serves as a building block for creating novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science Research: Used in the development of specialty chemicals, dyes, and photoactive materials due to its electron-deficient aromatic system.
• Academic & Contract Research: Essential for methodological studies in organic chemistry, including cross-coupling reactions and heterocyclic functionalization.
• Ligand and Catalyst Development: Potential precursor for creating chelating ligands or organocatalysts used in asymmetric synthesis.

Basic Information

Product Name	4-Pyridazinol, 5,6-Dichloro-
CAS No.	55609-72-8
Molecular Formula	C4H2Cl2N2O
Molecular Weight	164.98 g/mol
Synonyms	5,6-Dichloropyridazin-4-ol; 5,6-Dichloro-4(1H)-pyridazinone; 5,6-Dichloro-4-pyridazinol; 5,6-Dichloro-1H-pyridazin-4-one; 5,6-Dichloro-4-hydroxypyridazine; 4-Hydroxy-5,6-dichloropyridazine; 5,6-Dichloropyridazin-4(1H)-one
EINECS	Contact for details

Quality Control

Our 4-Pyridazinol, 5,6-Dichloro- is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity determination. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory documentation needs.

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 and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white 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.