Description

3-Icosyne is a high-purity, long-chain terminal alkyne with the CAS registry number 61886-66-6, serving as a versatile and valuable building block in advanced organic synthesis. Its terminal alkyne functionality makes it a critical reagent for click chemistry, particularly in copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions, enabling the efficient construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries, where it is used to develop novel active ingredients, polymers, and functionalized surfaces.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates and bioactive molecules via click chemistry and cross-coupling reactions.
• Polymer & Material Science: Acts as a monomer or functionalizing agent for creating specialty polymers, dendrimers, and surface-modified materials with tailored properties.
• Agrochemical Research: Employed in the development of new pesticides and herbicides by providing a reactive handle for structural diversification.
• Bioconjugation: Facilitates the labeling and modification of biomolecules (proteins, peptides, nucleic acids) for diagnostic and therapeutic applications.
• Liquid Crystal & OLED Materials: Serves as a precursor in the synthesis of advanced organic electronic materials and liquid crystal compounds.
• Chemical Probes & Ligands: Utilized to create molecular probes for biochemical assays and as ligands in catalytic systems.

Basic Information

Product Name	3-Icosyne
CAS No.	61886-66-6
Molecular Formula	C₂₀H₃₈
Molecular Weight	278.52 g/mol
Synonyms	1-Heptadecyne; 3-Eicosyne; Heptadec-1-yne; n-Heptadecyne; 1-Heptadecyne, 3-Eicosyne, Heptadec-1-yne, n-Heptadecyne, Terminal C20 alkyne
EINECS	Contact for details

Quality Control

Our 3-Icosyne is produced under strict quality management protocols to ensure batch-to-batch consistency and high chemical purity. Each lot undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Nuclear Magnetic Resonance (NMR) spectroscopy, to verify identity and assay. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider maintaining the product under an inert atmosphere such as nitrogen or argon to prevent potential oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.1%

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