Description

3(2H)-Pyridazinone, 4-Chloro-2-Methyl-5-(2-Propynylamino)- (9Ci) is a specialized heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique molecular structure, featuring a pyridazinone core with chloro, methyl, and propargylamino substituents, makes it a valuable intermediate for creating novel compounds with targeted biological or material properties. This high-purity intermediate is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for the development of new active ingredients.

Application

This compound is a versatile chemical intermediate with significant utility in research-driven sectors. Its primary applications include:

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Chemical Biology & Proteomics: The propargylamino group enables click chemistry applications, such as Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC), for bioconjugation and probe development.
• Material Science Research: Acts as a monomer or functionalizing agent in the creation of specialized polymers and advanced organic materials.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	3(2H)-Pyridazinone, 4-Chloro-2-Methyl-5-(2-Propynylamino)- (9Ci)
CAS No.	124414-87-5
Molecular Formula	C8H8ClN3O
Molecular Weight	197.62 g/mol
Synonyms	4-Chloro-2-methyl-5-(prop-2-yn-1-ylamino)pyridazin-3(2H)-one; 4-Chloro-2-methyl-5-(2-propynylamino)-3(2H)-pyridazinone; 5-(2-Propynylamino)-4-chloro-2-methyl-3(2H)-pyridazinone; 4-Chloro-2-methyl-5-(prop-2-ynylamino)pyridazin-3(2H)-one; N-(Prop-2-yn-1-yl)-4-chloro-2-methyl-3-oxo-2,3-dihydropyridazine-5-amine
EINECS	Contact for details

Quality Control

Our 3(2H)-Pyridazinone, 4-Chloro-2-Methyl-5-(2-Propynylamino)- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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