Description

3-Ethynyl-Pyridazine (CAS NO 1017793-08-6) is a versatile heterocyclic building block featuring a pyridazine core functionalized with a terminal ethynyl group. This compound is of significant value in modern synthetic chemistry, particularly for click chemistry and metal-catalyzed cross-coupling reactions, enabling the rapid construction of complex molecular architectures. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for constructing drug candidates via Sonogashira, Huisgen cycloaddition, and other coupling reactions.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a monomer or cross-linking agent in the synthesis of conjugated polymers and advanced organic materials.
• Chemical Biology: Employed as a bioorthogonal probe for labeling and studying biomolecules in live cells.
• Ligand Synthesis: Useful for preparing novel nitrogen-containing ligands for catalysis and coordination chemistry.
• Academic & R&D: A valuable reagent for methodological development and exploratory synthesis in organic chemistry laboratories.

Basic Information

Product Name	3-Ethynyl-Pyridazine
CAS No.	1017793-08-6
Molecular Formula	C6H4N2
Molecular Weight	104.11 g/mol
Synonyms	3-Ethynylpyridazine; Pyridazine, 3-ethynyl-; 3-Pyridazineacetylene; 3-Ethynyl-1,2-diazine; 1017793-08-6
EINECS	Contact for details

Quality Control

Our 3-Ethynyl-Pyridazine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C to minimize oxidation and degradation. Allow the container to reach room temperature before opening to prevent moisture condensation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.