Description

3,6-Pyridazinedicarbonyl Dichloride (9Ci) is a high-purity, reactive chemical intermediate essential for advanced organic synthesis. Its value lies in its role as a versatile building block for constructing complex heterocyclic systems, particularly in pharmaceutical research and development. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those containing the pyridazine core, which is present in various bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that require specific heterocyclic scaffolds.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized chelating ligands and organocatalysts used in asymmetric synthesis.
• Polymer and Material Science: Employed in the synthesis of functional polymers, dyes, and advanced organic materials with tailored properties.
• Academic and Contract Research: A critical reagent for methodological studies and the discovery of new chemical reactions in university and CRO laboratories.
• Peptidomimetic Chemistry: Useful for introducing rigid, heterocyclic spacers or linkers into peptide analogs to modify their stability and biological activity.

Basic Information

Product Name	3,6-Pyridazinedicarbonyl Dichloride (9Ci)
CAS No.	187826-59-1
Molecular Formula	C6H2Cl2N2O2
Molecular Weight	205.00 g/mol
Synonyms	3,6-Pyridazinedicarbonyl dichloride; Pyridazine-3,6-dicarbonyl dichloride; 3,6-Dichlorocarbonylpyridazine; 3,6-Bis(chlorocarbonyl)pyridazine; Pyridazine-3,6-dicarboxylic acid dichloride; 3,6-Pyridazinedicarboxylic acid dichloride; 1,2-Diazine-3,6-dicarbonyl dichloride
EINECS	Contact for details

Quality Control

Our 3,6-Pyridazinedicarbonyl Dichloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and consistent performance as a synthesis intermediate. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.