Description

6-Chloro-4-Methyl-2H-Pyridazin-3-One is a versatile heterocyclic building block and key synthetic intermediate in organic chemistry. Its value lies in its functionalized pyridazinone core, which is integral to constructing more complex molecular architectures with potential biological activity. This compound is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, cardiovascular diseases, and anti-inflammatory agents.
• Agrochemical Research: Used in the development and optimization of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Chemical Synthesis Building Block: Employed in organic synthesis for the construction of fused heterocyclic systems and functionalized pyridazine derivatives through various coupling and substitution reactions.
• Material Science Research: Investigated as a monomer or functional component in the design of specialty polymers and advanced organic materials.
• Academic & R&D Laboratories: Utilized in fundamental chemical research to study reaction mechanisms and develop new synthetic methodologies.

Basic Information

Product Name	6-Chloro-4-Methyl-2H-Pyridazin-3-One
CAS No.	1834-27-1
Molecular Formula	C5H5ClN2O
Molecular Weight	144.56 g/mol
Synonyms	6-Chloro-4-methyl-2,3-dihydropyridazin-3-one; 6-Chloro-4-methyl-3(2H)-pyridazinone; 4-Methyl-6-chloro-2H-pyridazin-3-one; 3(2H)-Pyridazinone, 6-chloro-4-methyl-; 6-Chloro-4-methylpyridazin-3(2H)-one; 6-Chloro-4-methyl-1,2-dihydropyridazine-3-one
EINECS	217-403-8

Quality Control

Our 6-Chloro-4-Methyl-2H-Pyridazin-3-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC, NMR, and other relevant spectroscopic methods. Our quality commitment ensures the material meets the high standards required for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). The compound should be kept away from strong bases and oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.