Description

5-Methoxypyridazin-3(2H)-One is a versatile heterocyclic building block and key synthetic intermediate. This compound is valued for its pyridazinone core, which is a privileged scaffold in medicinal chemistry and agrochemical research. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Serves as a core structure in developing new herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Chemical Synthesis: Used as a versatile precursor in organic synthesis for constructing complex heterocyclic systems and functionalized pyridazine derivatives.
• Material Science Research: Investigated as a monomer or functional component in the development of advanced polymers and specialty materials.
• Academic & Institutional R&D: Employed in universities and research institutes for fundamental studies in heterocyclic chemistry and reaction mechanism exploration.

Basic Information

Product Name	5-Methoxypyridazin-3(2H)-One
CAS No.	123696-01-5
Molecular Formula	C5H6N2O2
Molecular Weight	126.11 g/mol
Synonyms	3-Methoxy-6-pyridazinone; 5-Methoxy-2H-pyridazin-3-one; 5-Methoxy-3(2H)-pyridazinone; 3-Hydroxy-5-methoxypyridazine; 5-Methoxypyridazin-3-ol; 5-Methoxy-1,2-dihydropyridazine-3-one
EINECS	Contact for details

Quality Control

Our 5-Methoxypyridazin-3(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data (HPLC, GC, NMR, IR) upon request, supporting your quality and regulatory documentation needs.

Storage

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

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%

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