Description

Cyclohexene, 1-Ethenyl-3-Ethynyl- (9Ci) CAS NO 104943-57-9 is a specialized organic compound featuring both vinyl and ethynyl functional groups on a cyclohexene ring, making it a valuable, multi-functional intermediate for advanced chemical synthesis. Its unique structure provides two distinct reactive sites, enabling its use in the construction of complex molecular architectures, including polymers, pharmaceuticals, and advanced materials. This high-purity building block is essential for R&D and production chemists in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop novel compounds with specific properties.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for constructing complex carbocyclic and heterocyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its reactive sites for structural diversification.
• Specialty Polymer Monomer: Acts as a functional monomer for creating polymers with tailored properties, such as modified thermal stability or specific reactivity, for advanced coatings and materials.
• Organic Electronic Materials: Investigated as a building block for π-conjugated systems in organic semiconductors, OLEDs, and other electronic applications due to its unsaturated backbone.
• Cross-coupling Reactions: An excellent substrate for various metal-catalyzed cross-coupling reactions (e.g., Sonogashira, Heck), enabling efficient carbon-carbon bond formation.
• Chemical Research & Development: A versatile tool in academic and industrial R&D labs for exploring new synthetic methodologies and creating compound libraries for screening.

Basic Information

Product Name	Cyclohexene, 1-Ethenyl-3-Ethynyl- (9Ci)
CAS No.	104943-57-9
Molecular Formula	C10H10
Molecular Weight	130.19 g/mol
Synonyms	1-Ethenyl-3-ethynylcyclohexene; 3-Ethynyl-1-vinylcyclohexene; 1-Vinyl-3-ethynylcyclohexene; Vinylethynylcyclohexene; Cyclohexene, 1-vinyl-3-ethynyl-; 1-Vinyl-3-ethynyl-1-cyclohexene
EINECS	Contact for details

Quality Control

Our Cyclohexene, 1-Ethenyl-3-Ethynyl- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile nature, keep container tightly sealed when not in use. Recommended storage temperature: 2-8°C (under refrigeration) for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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