Description

11-Hexacosyne is a high-purity, long-chain terminal alkyne with the CAS number 34291-69-5, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring a reactive acetylene group at one end of a long hydrocarbon chain, makes it an invaluable precursor for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, where it is used to develop novel active ingredients, polymers, and specialty chemicals.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly in creating carbon-carbon bonds via Sonogashira and other cross-coupling reactions.
• Agrochemical Research: Serves as a key synthon for developing new crop protection agents and plant growth regulators with tailored properties.
• Polymer & Material Science: Acts as a monomer or chain extender in the production of specialty polymers, liquid crystals, and surface-modifying agents.
• Chemical Biology & Probe Development: Utilized in click chemistry (e.g., CuAAC reactions) for bioconjugation, labeling biomolecules, and developing diagnostic tools.
• Lubricant & Fuel Additive Synthesis: A precursor for creating high-performance, custom-tailored additives that improve stability and performance.
• Academic & Industrial R&D: A fundamental reagent for exploring new synthetic methodologies and catalytic processes in organic chemistry.

Basic Information

Product Name	11-Hexacosyne
CAS No.	34291-69-5
Molecular Formula	C₂₆H₅₀
Molecular Weight	362.68 g/mol
Synonyms	Hexacos-11-yne; 11-Hexacosyne; 11-Hexacosyne (CAS 34291-69-5); 1-Nonadecyn-10-ylheptane; Terminal C26 Alkyne; 26:1 (11) Alkyne; Heptadecyl-1-nonyne
EINECS	Contact for details

Quality Control

Every batch of 11-Hexacosyne is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your research and production needs. We provide comprehensive analytical data, including HPLC purity, GC analysis, and spectroscopic confirmation (IR, NMR). A detailed Certificate of Analysis (COA) is supplied with each shipment, documenting compliance with agreed specifications.

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 strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Melting Point	Contact for details

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