Description

3-Butyn-2-One,4-Cyclopentyl- is a specialized alkyne-functionalized ketone, a high-purity building block of significant value in advanced organic synthesis. Its unique structure, featuring both a cyclopentyl group and an acetylene moiety adjacent to a carbonyl, makes it a versatile precursor for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of new drug candidates, particularly for creating spirocyclic or constrained ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive alkyne group for further functionalization.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored thermal or mechanical properties.
• Organic Synthesis Building Block: Employed in click chemistry (e.g., Huisgen cycloaddition) and other catalytic coupling reactions to introduce the cyclopentyl-acetylene motif.
• Ligand and Catalyst Development: Useful for synthesizing novel ligands for asymmetric catalysis or metal-organic frameworks (MOFs).

Basic Information

Product Name	3-Butyn-2-One,4-Cyclopentyl-
CAS No.	116815-83-9
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	4-Cyclopentyl-3-butyn-2-one; 1-Cyclopentyl-2-butyn-1-one; 4-Cyclopentylbut-3-yn-2-one; 2-Butyn-1-one, 4-cyclopentyl-; 3-Butyn-2-one, 4-cyclopentyl-
EINECS	Contact for details

Quality Control

Our 3-Butyn-2-One,4-Cyclopentyl- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and batch-to-batch consistency.

Storage

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

Specification

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