Description

Legrazol is a high-purity chemical intermediate with the CAS registry number 78065-44-8. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly in advanced pharmaceutical and agrochemical research. It is essential for manufacturers and R&D laboratories seeking reliable, high-quality raw materials for process development and scale-up.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and herbicides.
• Chemical Research & Development: Serves as a fundamental building block for exploring new chemical entities and reaction pathways in organic chemistry.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring high purity and specific structural motifs.
• Material Science: Investigated as a monomer or additive in the development of advanced polymeric materials.

Basic Information

Product Name	Legrazol
CAS No.	78065-44-8
Molecular Formula	C9H6N4O2S
Molecular Weight	234.23 g/mol
Synonyms	1,2,4-Triazolo[4,3-b]pyridazine-3(2H)-thione, 6-Methyl-; 6-Methyl-1,2,4-triazolo[4,3-b]pyridazine-3-thiol; 6-Methyl-[1,2,4]triazolo[4,3-b]pyridazine-3-thione; Legrazol (common trade name); 6-Methyl-1,2,4-triazolo[4,3-b]pyridazine-3(2H)-thione
EINECS	Contact for details

Quality Control

Our Legrazol is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, identity confirmation (IR, NMR), and residual solvent analysis. Certificates of Analysis (COA) are available for every batch and provided upon request to support your quality assurance protocols.

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 reference spectrum
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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