Description

7-Nonynoic Acid Methyl Ester is a high-purity alkyne-containing ester, a versatile building block in advanced organic synthesis. Its terminal alkyne functionality makes it a critical intermediate for constructing complex molecular architectures via coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring alkyne motifs for click chemistry or as structural components.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the alkyne group enables specific bioactivity.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers, coatings, and resins with tailored properties.
• Organic Synthesis Reagent: A versatile reagent for Sonogashira, Glaser, and other metal-catalyzed cross-coupling reactions to form carbon-carbon bonds.
• Liquid Crystal & Electronic Chemicals: Intermediate in the synthesis of organic semiconductors, liquid crystal compounds, and other electronic materials.
• Fragrance & Flavor Intermediate: Used in the controlled synthesis of specific aroma chemicals and flavor compounds.

Basic Information

Product Name	7-Nonynoic Acid Methyl Ester
CAS No.	20731-18-4
Molecular Formula	C10H16O2
Molecular Weight	168.23 g/mol
Synonyms	Methyl 7-Nonynoate; Methyl Oct-2-ynoate; Methyl 2-Octynoate; Methyl Heptinecarbonate; 7-Nonynoic Acid Methyl Ester; 2-Octynoic Acid Methyl Ester; Methyl Oct-2-ynoic Acid Ester; Heptinecarboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 7-Nonynoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.440 - 1.450
Density (20°C)	0.90 - 0.95 g/mL

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