Description

Cyclohexene, 5-Ethynyl-3,4-Dimethyl- (9Ci) is a specialized organic building block featuring a cyclohexene core substituted with an ethynyl group and two methyl groups, offering unique reactivity for advanced synthesis. This compound is valued for its role as a key intermediate in the development of complex molecules, particularly in pharmaceutical and agrochemical research. It is essential for chemists and manufacturers in fine chemical, life science, and material science sectors who require high-purity, structurally defined intermediates for innovative product development.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for producing high-value, complex organic compounds.
• Academic & R&D: A valuable reagent in university and industrial research laboratories for exploring new organic reactions and methodologies.
• Ligand & Catalyst Development: Utilized in the preparation of specialized ligands for catalytic systems and metal-organic frameworks (MOFs).

Basic Information

Product Name	Cyclohexene, 5-Ethynyl-3,4-Dimethyl- (9Ci)
CAS No.	77160-42-0
Molecular Formula	C10H14
Molecular Weight	134.22 g/mol
Synonyms	5-Ethynyl-3,4-dimethylcyclohex-1-ene; 3,4-Dimethyl-5-ethynylcyclohexene; 5-Ethynyl-3,4-dimethyl-1-cyclohexene; 1-Cyclohexene, 5-ethynyl-3,4-dimethyl-; (5-Ethynyl-3,4-dimethylcyclohex-1-ene)
EINECS	Contact for details

Quality Control

Our Cyclohexene, 5-Ethynyl-3,4-Dimethyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity intermediates for research and regulated production environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to the reactive ethynyl group, it is recommended to store under an inert atmosphere for long-term stability and to minimize potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Reported on COA

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