Description

Cyclopentanone, 2-(1-Butynyl)- (9Ci) is a specialized organic building block featuring a cyclopentanone core functionalized with a butynyl side chain. This unique structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for constructing complex heterocyclic or spirocyclic frameworks.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, where its alkyne functionality allows for further chemical modifications.
• Material Science Research: Serves as a precursor for specialty polymers or advanced organic materials with tailored properties.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for complex molecule construction, including natural product synthesis.
• Flavor & Fragrance Chemistry: Potential intermediate for the synthesis of unique musk or other specialty aroma compounds.
• Ligand & Catalyst Development: The alkyne group can be utilized to create novel chelating ligands for catalytic applications.

Basic Information

Product Name	Cyclopentanone, 2-(1-Butynyl)- (9Ci)
CAS No.	81792-48-5
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	2-(But-1-yn-1-yl)cyclopentan-1-one; 2-(1-Butynyl)cyclopentanone; 2-But-1-ynylcyclopentanone; 1-Cyclopentanone, 2-(1-butynyl)-; 2-(But-1-ynyl)cyclopentanone; 2-(Butyn-1-yl)cyclopentanone
EINECS	Contact for details

Quality Control

Our Cyclopentanone, 2-(1-Butynyl)- is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing specific results is 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 strong oxidizing agents.

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.