Description

4,5-Dihydro-6-Methylpyridazin-3(2H)-One is a versatile heterocyclic building block with significant importance in advanced organic synthesis. This compound serves as a key intermediate for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research institutions, pharmaceutical companies, and agrochemical manufacturers engaged in the synthesis of complex molecules for therapeutic and crop protection applications.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Agrochemical Synthesis: Used as a building block for developing new herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry, enabling the exploration of new chemical entities and structure-activity relationships (SAR).
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals.
• Academic Research: Utilized in universities and research institutes for studying heterocyclic chemistry and developing new synthetic methodologies.

Basic Information

Product Name	4,5-Dihydro-6-Methylpyridazin-3(2H)-One
CAS No.	5157-08-4
Molecular Formula	C5H8N2O
Molecular Weight	112.13 g/mol
Synonyms	6-Methyl-4,5-dihydro-3(2H)-pyridazinone; 6-Methyl-2,3-dihydropyridazin-3-one; 6-Methyl-4,5-dihydro-2H-pyridazin-3-one; 3(2H)-Pyridazinone, 4,5-dihydro-6-methyl-; 6-Methyl-4,5-dihydropyridazin-3(2H)-one; 6-Methyl-δ²-4,5-dihydropyridazin-3-one
EINECS	225-916-6

Quality Control

Our 4,5-Dihydro-6-Methylpyridazin-3(2H)-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC chromatograms and NMR spectra, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is available for every batch upon request, supporting your quality assurance and regulatory compliance 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 such as 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.