Product: 3-Hydroxy-6-chloropyridazine
Client Background: The China R&D Center of a multinational agrochemical corporation.
Project Requirements:

• To serve as an intermediate for novel insecticide scaffold design, requiring high reactivity of the halogen-containing heterocycle.
• Strict control of moisture, halogenated impurities, and metal ion residues across batches.

Wealsun’s Solution:

• Implemented anhydrous system operations during scale-up synthesis to ensure precise control of chlorine content.
• Provided complete Certificate of Analysis (COA) and ICP-MS reports for metal impurity verification.

Outcomes:

• After confirming material compliance, the client contract the development of multiple analogous pyridazine-based compounds.
• A long-term joint development collaboration was established between both parties.