Description

3-Pyridazinecarbonyl Chloride, 97% is a high-purity, reactive organic intermediate essential for advanced chemical synthesis. This compound serves as a critical building block for introducing the pyridazinecarbonyl moiety into target molecules, enabling the development of novel compounds with specific functionalities. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for applications in drug discovery, crop protection, and specialty polymer development.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of kinase inhibitors and other small molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging the pyridazine core for biological activity.
• Material Science Research: Employed in the creation of functionalized polymers, ligands for metal-organic frameworks (MOFs), and advanced organic electronic materials.
• Chemical Biology & Proteomics: Acts as a reagent for bioconjugation and the development of chemical probes to study biological systems.
• Custom Synthesis & Contract Manufacturing: A vital starting material for fine chemical and custom synthesis houses serving diverse R&D and scale-up projects.

Basic Information

Product Name	3-Pyridazinecarbonyl Chloride, 97%
CAS No.	499770-82-0
Molecular Formula	C5H3ClN2O
Molecular Weight	142.54 g/mol
Synonyms	Pyridazine-3-carbonyl chloride; 3-Pyridazinecarboxylic acid chloride; 3-Carboxypyridazine chloride; Isonicotinic acid chloride, pyridazine analog; 1,2-Diazine-3-carbonyl chloride; 3-Chlorocarbonylpyridazine; 3-Pyridazinylcarbonyl chloride
EINECS	Contact for details

Quality Control

Our 3-Pyridazinecarbonyl Chloride, 97% is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet the stringent requirements of research and industrial applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and related substances is provided with every shipment.

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 and 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 strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 0.5%

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