Description

Cyclopentylacetylene CAS NO 930-51-8 is a versatile alkyne building block featuring a cyclopentyl group, prized for its unique steric and electronic properties in advanced organic synthesis. This compound is critical for introducing the cyclopentylacetylene moiety into complex molecular architectures, enabling the creation of novel chemical entities with tailored functionalities. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for applications in medicinal chemistry, ligand synthesis, and polymer research.

Application

• Pharmaceutical Intermediate: A key synthon for constructing active pharmaceutical ingredients (APIs), particularly in the development of kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides, where the cyclopentyl group can enhance biological activity and environmental stability.
• Material Science & Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and advanced materials with specific mechanical or optical properties.
• Ligand & Catalyst Development: Employed in organometallic chemistry to create sophisticated ligands for asymmetric catalysis and transition metal complexes.
• Chemical Research & Development: A fundamental building block for academic and industrial R&D in organic synthesis, enabling [3+2] cycloadditions, Sonogashira couplings, and other carbon-carbon bond forming reactions.
• Fine Chemical Production: Utilized in the multi-step synthesis of complex fragrance compounds, flavors, and other high-value specialty chemicals.

Basic Information

Product Name	Cyclopentylacetylene
CAS No.	930-51-8
Molecular Formula	C7H10
Molecular Weight	94.15 g/mol
Synonyms	Ethynylcyclopentane; Cyclopentylethyne; 1-Ethynylcyclopentane; Cyclopentyl acetylene; (Cyclopentylethynyl)-; CPAC
EINECS	213-226-6

Quality Control

Our Cyclopentylacetylene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, NMR, and FTIR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for your most demanding synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flame. Recommended storage temperature is 2-8°C (refrigerated) for long-term stability. The container should be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation, as alkynes can be sensitive to oxidation and moisture over time.

Specification

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