Description

4-Nonynoic Acid Methyl Ester is a high-purity alkyne ester building block used in advanced organic synthesis. This compound is valued for its terminal alkyne functionality, which enables critical carbon-carbon bond-forming reactions like Sonogashira coupling. It is primarily sought after by research and development chemists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional materials.
• Organic Synthesis Building Block: Essential for Sonogashira, Click Chemistry (CuAAC), and other metal-catalyzed coupling reactions in academic and industrial R&D.
• Liquid Crystal & OLED Materials: A precursor in the synthesis of organic electronic materials and liquid crystal compounds.
• Flavor & Fragrance Chemistry: Used in the synthesis of complex aroma molecules and specialty esters.

Basic Information

Product Name	4-Nonynoic Acid Methyl Ester
CAS No.	20731-15-1
Molecular Formula	C₁₀H₁₆O₂
Molecular Weight	168.23 g/mol
Synonyms	Methyl 4-Nonynoate; Methyl Non-4-ynoate; 4-Nonynoic Acid Methyl Ester; Methyl Oct-3-ynylcarboxylate; 4-Nonynoic Acid, Methyl Ester; Methyl 4-Nonynoic Acid Ester; Non-4-ynoic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 4-Nonynoic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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