Description

6-Methyl-2-(o-Tolyl)-4,5-Dihydropyridazin-3(2H)-One is a high-purity, advanced pharmaceutical intermediate belonging to the dihydropyridazinone class of heterocyclic compounds. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new therapeutic agents and high-value chemical products.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new drug candidates, particularly in central nervous system (CNS) and cardiovascular therapeutic areas.
• Agrochemical Synthesis: Serves as a building block for creating novel herbicides, fungicides, and plant growth regulators with specific biological activity.
• Organic Synthesis & Research: Used in academic and industrial R&D labs for constructing complex heterocyclic frameworks and studying structure-activity relationships (SAR).
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and pigments requiring precise molecular architecture.
• Biochemical Probe Development: Utilized in medicinal chemistry to create tool compounds for investigating biological pathways and enzyme inhibition.

Basic Information

Product Name	6-Methyl-2-(o-Tolyl)-4,5-Dihydropyridazin-3(2H)-One
CAS No.	871902-91-9
Molecular Formula	C₁₂H₁₄N₂O
Molecular Weight	202.25 g/mol
Synonyms	6-Methyl-2-(2-methylphenyl)-4,5-dihydro-3(2H)-pyridazinone; 2-(2-Methylphenyl)-6-methyl-4,5-dihydro-3(2H)-pyridazinone; 6-Methyl-2-(2-methylphenyl)-2,4,5,6-tetrahydropyridazin-3-one; 871902-91-9; 6-Methyl-2-(o-tolyl)-2,3,4,5-tetrahydropyridazin-3-one; 2-(o-Tolyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one
EINECS	Contact for details

Quality Control

Our 6-Methyl-2-(o-Tolyl)-4,5-Dihydropyridazin-3(2H)-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with customer specifications and current industry standards for pharmaceutical intermediates.

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 heat, open flames, and incompatible materials. The container should be kept tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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