Description

Cyclopropane, 1-Chloro-2-Ethyl-1-Ethynyl-, cis- (9Ci) is a specialized, high-value organochlorine building block featuring a strained cyclopropane ring and an ethynyl group. This unique molecular architecture makes it a critical 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 academic researchers exploring new reaction pathways and material properties.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting CNS disorders and anti-infective agents.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive chloro and ethynyl groups for structural diversification.
• Material Science Research: Serves as a precursor for developing specialty polymers and advanced organic materials with tailored electronic or mechanical properties.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex natural product analogs and exploring new cyclopropanation and cross-coupling methodologies.
• Ligand and Catalyst Development: Utilized in the synthesis of novel chiral ligands and organometallic catalysts for asymmetric synthesis.

Basic Information

Product Name	Cyclopropane, 1-Chloro-2-Ethyl-1-Ethynyl-, cis- (9Ci)
CAS No.	103304-34-3
Molecular Formula	C7H9Cl
Molecular Weight	128.60 g/mol
Synonyms	cis-1-Chloro-2-ethyl-1-ethynylcyclopropane; 1-Chloro-2-ethyl-1-ethynylcyclopropane, cis-; (1R,2S)-1-Chloro-2-ethyl-1-ethynylcyclopropane; (1S,2R)-1-Chloro-2-ethyl-1-ethynylcyclopropane; 1-Ethynyl-2-ethyl-1-chlorocyclopropane, cis-; NSC 405124
EINECS	Contact for details

Quality Control

Our production of Cyclopropane, 1-Chloro-2-Ethyl-1-Ethynyl-, cis- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive R&D applications. Each lot undergoes comprehensive analysis including identification, assay, and impurity profiling. Certificates of Analysis (COA) detailing all specifications and test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed under an inert atmosphere to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Related Substances (GC)	Total impurities ≤ 5.0%
Water Content (KF)	≤ 0.5%

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