Description

3,6-Dichloropyridazin-4-Ol is a versatile halogenated heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its reactive dichloro and hydroxyl substituents, which allow for selective functionalization to create complex molecular architectures. This compound is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing new active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and infectious diseases.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators due to its bioactive pyridazine core.
• Material Science Research: Serves as a building block for creating specialized ligands, polymers, and organic electronic materials.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects requiring high-purity intermediates.

Basic Information

Product Name	3,6-Dichloropyridazin-4-Ol
CAS No.	2779-81-9
Molecular Formula	C4H2Cl2N2O
Molecular Weight	164.98 g/mol
Synonyms	4-Hydroxy-3,6-dichloropyridazine; 3,6-Dichloro-4-hydroxypyridazine; 3,6-Dichloro-4(1H)-pyridazinone; 3,6-Dichloro-4-pyridazinol; 3,6-Dichloro-4-pyridazinone; 4-Pyridazinol, 3,6-dichloro-; 3,6-Dichloro-1,4-dihydro-4-oxopyridazine
EINECS	220-500-6

Quality Control

Our 3,6-Dichloropyridazin-4-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity intermediates for research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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