Description

Ethanone,1-(2-Ethynylcyclopentyl)-,trans- is a specialized organic compound featuring a unique cyclopentyl ring substituted with both an ethynyl and an ethanone (acetyl) group in a trans configuration. This molecular architecture makes it a valuable advanced pharmaceutical intermediate and a versatile building block for complex organic synthesis. It is primarily utilized by research institutions and fine chemical manufacturers engaged in the development of novel active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those requiring a rigid, functionalized cyclopentane scaffold.
• Organic Synthesis Building Block: Used in research-scale and pilot-scale reactions, including Sonogashira coupling, to introduce the ethynyl moiety into larger molecular frameworks.
• Agrochemical Research: Serves as a starting material for developing new crop protection agents with specific steric and electronic properties.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers with tailored thermal or mechanical characteristics.
• Academic & Industrial R&D: Employed in methodological studies and the discovery of new chemical entities across various life science and material sectors.

Basic Information

Product Name	Ethanone,1-(2-Ethynylcyclopentyl)-,trans-
CAS No.	155222-54-1
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	trans-1-(2-Ethynylcyclopentyl)ethanone; 1-(2-Ethynylcyclopentyl)ethan-1-one, trans-; 2-Ethynylcyclopentyl methyl ketone, trans-; (1R,2R)-1-(2-Ethynylcyclopentyl)ethanone; (1S,2S)-1-(2-Ethynylcyclopentyl)ethanone; trans-2-Ethynylcyclopentyl methyl ketone; Acetyl(2-ethynylcyclopentane), trans-
EINECS	Contact for details

Quality Control

Our production of Ethanone,1-(2-Ethynylcyclopentyl)-,trans- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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