Description

3-Pyridinamine,5-Ethynyl-(9Ci) is a specialized pyridine derivative featuring an ethynyl substituent, which serves as a versatile synthetic handle for further chemical elaboration. This compound is valued for its role as a key building block in the development of advanced pharmaceutical intermediates and functional materials. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for targeted therapies.
• Agrochemical Research: Used in the development of new generation herbicides, fungicides, and plant growth regulators.
• Ligand Synthesis: Serves as a building block for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Material Science: Employed in the research of organic semiconductors, conductive polymers, and advanced organic electronic materials.
• Chemical Biology Probes: Utilized to develop molecular probes and tags for studying biological processes due to its reactive ethynyl group.
• Cross-Coupling Reactions: Acts as a substrate in Sonogashira and other palladium-catalyzed cross-coupling reactions to form complex biaryl systems.

Basic Information

Product Name	3-Pyridinamine,5-Ethynyl-(9Ci)
CAS No.	667932-40-3
Molecular Formula	C7H6N2
Molecular Weight	118.14 g/mol
Synonyms	5-Ethynylpyridin-3-amine; 3-Amino-5-ethynylpyridine; 5-Ethynyl-3-pyridinamine; 5-Ethynyl-3-aminopyridine; 3-Pyridinamine, 5-ethynyl-; 5-Ethynyl-3-pyridylamine
EINECS	Contact for details

Quality Control

Our production of 3-Pyridinamine,5-Ethynyl-(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including HPLC, NMR, and mass spectrometry. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your R&D and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
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.