Description

4-Methyl-4,5-Dihydropyridazin-3(2H)-One is a versatile heterocyclic building block of significant interest in advanced organic synthesis. Its unique dihydropyridazinone core structure makes it a valuable precursor for the development of novel pharmacologically active compounds. This intermediate is primarily sought after by research institutions and pharmaceutical companies engaged in medicinal chemistry and the synthesis of new chemical entities.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization for new therapeutic agents.
• Agrochemical Synthesis: Serves as a precursor in the development of new herbicides and plant growth regulators.
• Organic Synthesis Reagent: Employed in the construction of complex heterocyclic frameworks and as a scaffold for library synthesis in combinatorial chemistry.
• Chemical Biology Probes: Utilized in the development of molecular probes for studying biological pathways and enzyme functions.

Basic Information

Product Name	4-Methyl-4,5-Dihydropyridazin-3(2H)-One
CAS No.	105537-87-9
Molecular Formula	C5H8N2O
Molecular Weight	112.13 g/mol
Synonyms	4-Methyl-4,5-dihydro-3(2H)-pyridazinone; 4-Methyl-2,3,4,5-tetrahydropyridazin-3-one; 4-Methyl-4,5-dihydro-1H-pyridazin-6-one; 3(2H)-Pyridazinone, 4-methyl-4,5-dihydro-; 4-Methyl-4,5-dihydropyridazin-3(2H)-one; 4-Methyl-2,3,4,5-tetrahydropyridazin-3(2H)-one
EINECS	Contact for details

Quality Control

Our 4-Methyl-4,5-Dihydropyridazin-3(2H)-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and consistent chemical identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your R&D and quality assurance processes.

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 strong oxidizing agents.

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%

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