Description

6-Chloro-5-Methyl-3,6-Dihydropyridazin-3-Amine (Ws202045) is a high-purity, advanced pharmaceutical intermediate and versatile heterocyclic building block. This compound is essential for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular scaffolds. It is primarily utilized by pharmaceutical R&D laboratories, agrochemical innovators, and fine chemical manufacturers seeking reliable, high-quality synthetic precursors.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Serves as a precursor in the development of new herbicides and plant growth regulators, leveraging its heterocyclic structure.
• Chemical Synthesis: Used as a versatile reagent in organic synthesis for constructing complex dihydropyridazine and pyridazine derivatives.
• Material Science: Potential application in the development of specialty chemicals and functional materials requiring specific nitrogen-containing heterocycles.
• Academic & Contract Research: A valuable compound for medicinal chemistry programs and process development in academic and CRO (Contract Research Organization) settings.

Basic Information

Product Name	6-Chloro-5-Methyl-3,6-Dihydropyridazin-3-Amine (Ws202045)
CAS No.	1699007-40-3
Molecular Formula	C5H8ClN3
Molecular Weight	145.59 g/mol
Synonyms	6-Chloro-5-methyl-4,5-dihydro-3H-pyridazin-3-amine; 6-Chloro-5-methyl-4,5-dihydropyridazin-3-amine; 3-Amino-6-chloro-5-methyl-4,5-dihydropyridazine; 6-Chloro-5-methyl-3,6-dihydro-3-pyridazinamine; Ws202045; 1699007-40-3; 6-Chloro-5-methyl-3,4-dihydropyridazin-3-amine
EINECS	Contact for details

Quality Control

Our 6-Chloro-5-Methyl-3,6-Dihydropyridazin-3-Amine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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