Description

10-Octadecynoic Acid Methyl Ester is a high-purity alkyne-containing fatty acid ester, serving as a versatile chemical intermediate and building block in advanced organic synthesis. Its terminal alkyne functionality is critical for click chemistry reactions, enabling the efficient construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of bioactive molecules and drug candidates via Huisgen cycloaddition and other alkyne-based coupling reactions.
• Agrochemical Synthesis: Serves as a key precursor for creating novel pesticides, herbicides, and plant growth regulators with specific activity profiles.
• Polymer Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, coatings, and resins with enhanced thermal or mechanical properties.
• Material Science Research: Employed in surface modification, nanotechnology, and the development of functionalized materials and self-assembled monolayers (SAMs).
• Liquid Crystal & Display Technology: Utilized as a synthetic intermediate for mesogenic compounds used in liquid crystal displays (LCDs).
• Organic Synthesis Building Block: A valuable reagent for carbon-carbon bond formation, including Sonogashira coupling and other palladium-catalyzed reactions.

Basic Information

Product Name	10-Octadecynoic Acid Methyl Ester
CAS No.	26543-36-2
Molecular Formula	C₁₉H₃₄O₂
Molecular Weight	294.48 g/mol
Synonyms	Methyl 10-Octadecynoate; Methyl Stearolate; Methyl 10-Heptadecyne-1-carboxylate; 10-Octadecynoic Acid, Methyl Ester; Methyl octadec-10-ynoate; 10-Heptadecynoic Acid Methyl Ester; Methyl 10-Heptadecynoate; Stearolic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 10-Octadecynoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopy (IR, NMR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are 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, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 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.