Description

Cyclopropane, 1-Ethynyl-1-Methyl-2-(2-Methyl-1-Propenyl)- (9Ci) is a specialized cyclopropane derivative featuring both alkyne and alkene functional groups, making it a valuable and versatile building block in advanced organic synthesis. Its unique, strained-ring structure with multiple reactive sites is critical for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. This high-purity intermediate is essential for R&D chemists and process development scientists seeking to innovate in areas such as medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), especially for compounds requiring a rigid, three-membered ring scaffold.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, where the cyclopropane ring can contribute to biological activity.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of advanced polymers with specific thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in cycloaddition reactions, ring-opening polymerizations, and other transformations to introduce complexity into target molecules.
• Ligand and Catalyst Development: Utilized for creating novel ligands and organometallic complexes in catalysis research.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing unique terpene-like compounds for specialty aroma chemicals.

Basic Information

Product Name	Cyclopropane, 1-Ethynyl-1-Methyl-2-(2-Methyl-1-Propenyl)- (9Ci)
CAS No.	69903-68-0
Molecular Formula	C10H12
Molecular Weight	132.20 g/mol
Synonyms	1-Ethynyl-1-methyl-2-(2-methylprop-1-en-1-yl)cyclopropane; 2-(2-Methyl-1-propenyl)-1-ethynyl-1-methylcyclopropane; 1-Methyl-1-ethynyl-2-(2-methyl-1-propenyl)cyclopropane; (2-Methyl-1-propenyl)ethynylmethylcyclopropane; Cyclopropane, 1-ethynyl-1-methyl-2-(2-methyl-1-propenyl)-; CAS 69903-68-0
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our fine chemical intermediates. Each batch of Cyclopropane, 1-Ethynyl-1-Methyl-2-(2-Methyl-1-Propenyl)- is analyzed using advanced techniques including GC, HPLC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with your research and development requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	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.