Description

7-Octynoic Acid is a versatile alkyne-containing carboxylic acid building block, identified by CAS NO 10297-09-3. Its terminal alkyne and carboxylic acid functional groups make it a valuable intermediate for constructing more complex molecules through coupling and derivatization reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking to introduce specific structural motifs.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating molecules with alkyne handles for further bioconjugation (click chemistry).
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and plant growth regulators that require specific carbon chain architectures.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing specialty polymers, coatings, and resins with tailored properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for Sonogashira coupling, amide formation, esterification, and other carbon-carbon bond forming reactions.
• Liquid Crystal & OLED Materials: A potential precursor in the development of advanced electronic and photonic materials due to its rigid linear structure.
• Bioconjugation & Probe Development: Useful for labeling biomolecules (proteins, peptides) and creating diagnostic probes in life sciences research.

Basic Information

Product Name	7-Octynoic Acid
CAS No.	10297-09-3
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	Oct-7-ynoic Acid; 7-Octyn-1-oic Acid; Hept-1-ynylcarboxylic Acid; 6-Heptynoic Acid (common misnomer); 1-Heptyne-8-carboxylic Acid; Terminal Alkyne C8 Acid; C8-Alkyne Acid
EINECS	Contact for details

Quality Control

Our 7-Octynoic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee supply reliability and traceability.

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 bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. The product is moisture-sensitive; keep container tightly sealed when not in use.

Specification

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