Description

4(1H)-Pyridazinone, 5,6-Dichloro-1-Methyl- is a high-purity, halogenated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals due to its reactive pyridazinone core. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and cardiovascular targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Chemical Synthesis Building Block: Employed in organic chemistry research for constructing complex heterocyclic systems and functionalized pyridazine derivatives.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.
• Biochemical Probe Development: Utilized in medicinal chemistry to create tool compounds for studying enzyme inhibition and biological pathways.

Basic Information

Product Name	4(1H)-Pyridazinone, 5,6-Dichloro-1-Methyl-
CAS No.	501662-04-0
Molecular Formula	C5H4Cl2N2O
Molecular Weight	178.00 g/mol
Synonyms	5,6-Dichloro-1-methyl-1H-pyridazin-4-one; 5,6-Dichloro-1-methylpyridazin-4(1H)-one; 1-Methyl-5,6-dichloro-4(1H)-pyridazinone; 5,6-Dichloro-1-methyl-4(1H)-pyridazinone; 1-Methyl-5,6-dichloropyridazin-4(1H)-one; 5,6-Dichloro-1-methyl-1,4-dihydropyridazin-4-one; 5,6-Dichloro-1-methyl-4-pyridazinone
EINECS	Contact for details

Quality Control

Our 4(1H)-Pyridazinone, 5,6-Dichloro-1-Methyl- is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research and development requirements.

Storage

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

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	≤ 10 ppm

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