Description

4-Methyl-3(2H)-Pyridazinone is a versatile heterocyclic building block and key synthetic intermediate in advanced organic chemistry. This compound matters for its role in constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for synthesizing novel compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of various drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Chemical Research: Serves as a versatile scaffold in medicinal chemistry for creating libraries of novel heterocyclic compounds.
• Material Science: Potential precursor for the development of specialty polymers and advanced organic materials.
• Dye & Pigment Industry: Can be utilized in the synthesis of complex organic dyes and colorants.

Basic Information

Product Name	4-Methyl-3(2H)-Pyridazinone
CAS No.	33471-40-8
Molecular Formula	C5H6N2O
Molecular Weight	110.11 g/mol
Synonyms	4-Methyl-3(2H)-pyridazinone; 4-Methyl-3-pyridazinone; 4-Methyl-2,3-dihydropyridazin-3-one; 4-Methylpyridazin-3(2H)-one; 3-Hydroxy-4-methylpyridazine; 4-Methyl-1,2-dihydro-3H-pyridazin-3-one; 4-Methyl-3-hydroxypyridazine
EINECS	Contact for details

Quality Control

Our 4-Methyl-3(2H)-Pyridazinone is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to verify identity and purity. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory 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 strong oxidizing agents.

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.