Description

Cyclohexanecarboxylic Acid, 4-Ethynyl- (9Ci) is a specialized organic building block featuring both a carboxylic acid and an ethynyl (acetylene) functional group on a cyclohexane ring. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought by pharmaceutical, agrochemical, and advanced materials chemists for constructing novel compounds, including potential active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new drug candidates, particularly for creating complex molecular architectures.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its reactive sites for structural diversification.
• Advanced Materials Research: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers and resins with tailored properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex natural product analogs and other fine chemicals via reactions at the acid and alkyne groups.
• Ligand and Catalyst Development: Utilized as a precursor for creating novel ligands in coordination chemistry and catalysis.

Basic Information

Product Name	Cyclohexanecarboxylic Acid, 4-Ethynyl- (9Ci)
CAS No.	121318-11-4
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	4-Ethynylcyclohexanecarboxylic Acid; 4-Ethynyl-1-cyclohexanecarboxylic Acid; 4-Ethynylcyclohexane-1-carboxylic Acid; Cyclohexanecarboxylic acid, 4-ethynyl-; 4-Ethynylcyclohexanecarboxylic acid (9CI); 4-Ethynyl-cyclohexanecarboxylic acid; 4-Ethynylcyclohexanecarboxylic acid (9CI)
EINECS	Contact for details

Quality Control

Our Cyclohexanecarboxylic Acid, 4-Ethynyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), identity (by IR/NMR), and impurity profiles is provided with every shipment. We support cGMP and ISO-aligned practices for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizers and bases. For long-term storage under an inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.