Description

4-Pentyn-1-One,1-Cyclopentyl-(9Ci) is a specialized alkyne-functionalized ketone building block with the CAS number 612062-79-0. This compound matters as a versatile intermediate for advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as medicinal chemistry and polymer synthesis.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for constructing cyclic and spiro systems.
• Agrochemical Synthesis: Used in the preparation of advanced pesticide and herbicide candidates, leveraging its reactive alkyne moiety for structural diversification.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers and functional materials with tailored properties.
• Organic Synthesis Building Block: Employed in click chemistry (e.g., Huisgen cycloaddition), Sonogashira coupling, and other catalytic transformations to introduce ketone and alkyne functionalities.
• Chemical Research & Development: Provides a valuable tool for academic and industrial research in methodology development and complex molecule synthesis.

Basic Information

Product Name	4-Pentyn-1-One,1-Cyclopentyl-(9Ci)
CAS No.	612062-79-0
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	1-Cyclopentyl-4-pentyn-1-one; 4-Pentyn-1-one, 1-cyclopentyl-; 1-Cyclopentylpent-4-yn-1-one; Cyclopentyl 3-butynyl ketone; 3-Butynyl cyclopentyl ketone
EINECS	Contact for details

Quality Control

Our 4-Pentyn-1-One,1-Cyclopentyl-(9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopic methods (NMR, IR), to ensure high purity and consistent identity. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

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

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