Description

Cyclohexanecarboxaldehyde, 4-Ethynyl- (9Ci) is a specialized aldehyde building block featuring a reactive ethynyl group on the cyclohexane ring. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D teams for constructing novel active ingredients and by material scientists exploring new polymers and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting CNS and oncology.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its aldehyde and alkyne functionality.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and advanced materials with tailored properties.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands and catalysts for asymmetric synthesis.
• Chemical Biology Probes: Utilized in the synthesis of molecular probes and tags for studying biological systems, often via click chemistry reactions.
• Flavor & Fragrance Precursor: Acts as a starting material for the synthesis of complex aroma chemicals and specialty fragrance ingredients.

Basic Information

Product Name	Cyclohexanecarboxaldehyde, 4-Ethynyl- (9Ci)
CAS No.	120077-74-9
Molecular Formula	C9H10O
Molecular Weight	134.18 g/mol
Synonyms	4-Ethynylcyclohexanecarboxaldehyde; 4-Ethynylcyclohexanecarbaldehyde; 4-Ethynyl-1-cyclohexanecarboxaldehyde; Cyclohexanecarboxaldehyde, 4-ethynyl-; 4-Ethynylcyclohexane-1-carbaldehyde; 4-Ethynyl-cyclohexanecarbaldehyde; 4-Ethynylcyclohexanecarbonal
EINECS	Contact for details

Quality Control

Our Cyclohexanecarboxaldehyde, 4-Ethynyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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