Description

5-Methylpyridazin-3(4H)-One is a high-value heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for advanced synthesis and process development.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry, enabling the exploration of new chemical space and structure-activity relationships (SAR).
• Material Science Precursor: Potential use in the synthesis of organic ligands for catalysts or functional materials.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects.

Basic Information

Product Name	5-Methylpyridazin-3(4H)-One
CAS No.	1207175-12-9
Molecular Formula	C5H6N2O
Molecular Weight	110.11 g/mol
Synonyms	5-Methyl-3(4H)-pyridazinone; 5-Methyl-4,5-dihydro-3H-pyridazin-3-one; 5-Methyl-1,4-dihydro-3H-pyridazin-3-one; 5-Methylpyridazin-3-ol; 3-Hydroxy-5-methylpyridazine
EINECS	Contact for details

Quality Control

Our 5-Methylpyridazin-3(4H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled 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%
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.