Description

Cycloheptene, 1-Ethynyl-2-Methyl- (9Ci) CAS NO 131380-00-2 is a specialized organic building block characterized by a unique seven-membered ring structure functionalized with both an ethynyl and a methyl group. This compound matters as a versatile intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures for research and development. It is primarily needed by pharmaceutical R&D laboratories and fine chemical manufacturers focused on creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel therapeutic compounds, particularly for constructing complex carbocyclic frameworks.
• Agrochemical Synthesis: Used in the development of new active ingredients for crop protection, leveraging its reactive ethynyl group for further functionalization.
• Material Science Research: Acts as a monomer or precursor in the synthesis of specialty polymers and advanced organic materials with tailored properties.
• Academic & Industrial R&D: A valuable reagent for methodology development in organic chemistry, including cycloaddition and cross-coupling reactions.
• Fine Chemical Production: Employed in the multi-step synthesis of complex fragrance molecules, dyes, and other high-value specialty chemicals.

Basic Information

Product Name	Cycloheptene, 1-Ethynyl-2-Methyl- (9Ci)
CAS No.	131380-00-2
Molecular Formula	C10H12
Molecular Weight	132.20 g/mol
Synonyms	1-Ethynyl-2-methylcycloheptene; 2-Methyl-1-ethynylcycloheptene; 1-Ethynyl-2-methyl-1-cycloheptene; 2-Methyl-1-ethynyl-1-cycloheptene; 1-Cycloheptene, 1-ethynyl-2-methyl-; (1-Ethynyl-2-methylcyclohept-1-ene)
EINECS	Contact for details

Quality Control

Our Cycloheptene, 1-Ethynyl-2-Methyl- (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 specific results for purity, identity confirmation, and impurity profiles are available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use and stored away from heat sources and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.