Description

Cyclopropane, 1-Chloro-1-Ethynyl-2,3-Dimethyl- (9Ci) is a specialized halogenated cyclopropane derivative, identified by CAS number 80631-44-3, valued for its unique strained-ring structure and reactive functional groups. This compound serves as a critical high-purity building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly those requiring a functionalized cyclopropane core.
• Agrochemical Research: Used in the synthesis of new-generation herbicides, fungicides, and insecticides with enhanced activity.
• Material Science: Serves as a precursor for specialty polymers and advanced organic electronic materials due to its reactive ethynyl group.
• Organic Synthesis Reagent: Employed in cycloaddition reactions and as a versatile scaffold for constructing complex, strained-ring systems in academic and industrial research.
• Ligand and Catalyst Development: Utilized in the preparation of novel chiral ligands and organometallic catalysts for asymmetric synthesis.

Basic Information

Product Name	Cyclopropane, 1-Chloro-1-Ethynyl-2,3-Dimethyl- (9Ci)
CAS No.	80631-44-3
Molecular Formula	C7H9Cl
Molecular Weight	128.60 g/mol
Synonyms	1-Chloro-1-ethynyl-2,3-dimethylcyclopropane; 1-Chloro-1-ethynyl-2,3-dimethylcyclopropane (9CI); 1-Ethynyl-1-chloro-2,3-dimethylcyclopropane; 2,3-Dimethyl-1-chloro-1-ethynylcyclopropane; Cyclopropane, 1-chloro-1-ethynyl-2,3-dimethyl-; 80631-44-3
EINECS	Contact for details

Quality Control

Our Cyclopropane, 1-Chloro-1-Ethynyl-2,3-Dimethyl- (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopic methods, to ensure high purity and batch-to-batch consistency suitable for sensitive R&D and scale-up processes. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its highly volatile nature, ensure containers are securely sealed and stored upright away from heat sources and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Purity (HPLC)	≥ 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.