Description

Cyclopentene, 1-(Chloroethynyl)- (9Ci) is a specialized halogenated alkyne derivative of cyclopentene, serving as a versatile and reactive synthetic building block. Its unique structure, featuring both a strained cyclic alkene and a reactive chloroethynyl group, makes it a valuable precursor for constructing complex molecular architectures in advanced chemical synthesis. This high-purity intermediate is primarily sought by research chemists and process development scientists in the pharmaceutical and agrochemical industries for applications in medicinal chemistry, material science, and catalysis.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly in the development of bioactive molecules with complex ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its reactive groups enable the introduction of specific functional moieties.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials with tailored properties.
• Catalysis & Ligand Development: Employed as a precursor for synthesizing novel organometallic complexes and ligands used in homogeneous catalysis.
• Organic Synthesis Reagent: A versatile reagent for [2+2] cycloadditions, Diels-Alder reactions, and other cyclization strategies to construct complex carbocyclic and heterocyclic compounds.
• Chemical Research & Development: Essential for academic and industrial R&D exploring new reaction methodologies and the synthesis of structurally unique compounds.

Basic Information

Product Name	Cyclopentene, 1-(Chloroethynyl)- (9Ci)
CAS No.	63107-01-7
Molecular Formula	C7H7Cl
Molecular Weight	126.58 g/mol
Synonyms	1-(Chloroethynyl)cyclopentene; 1-Chloroethynylcyclopentene; (Chloroethynyl)cyclopentene; Cyclopent-1-en-1-yl(chloroethyne); 1-Cyclopenten-1-yl chloroacetylene; 1-(1-Chloroethynyl)cyclopentene; 1-Cyclopentenylchloroacetylene
EINECS	Contact for details

Quality Control

Our Cyclopentene, 1-(Chloroethynyl)- (9Ci) is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and traceability for your research and development needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. Due to its reactive functional groups, it is recommended to store under an inert atmosphere for long-term stability and to minimize potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Assay (HPLC)	≥ 94.0%
Water Content (KF)	≤ 0.5%

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