Description

Methyl 3-Ethynylcyclopentane-1-Carboxylate is a specialized organic building block featuring a cyclopentane ring substituted with both an ethynyl group and a methyl ester functionality. This unique structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical and agrochemical R&D teams for constructing novel active ingredients and by material scientists exploring new polymers and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting central nervous system (CNS) disorders or metabolic diseases.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the cyclopentane and alkyne moieties can contribute to unique biological activity.
• Material Science Research: Serves as a monomer or precursor for developing specialty polymers, dendrimers, or liquid crystals with tailored properties.
• Organic Synthesis Building Block: Utilized in academic and industrial R&D for constructing complex natural product analogs and other architecturally challenging molecules via click chemistry or cross-coupling reactions.
• Chemical Biology Probes: Employed in the synthesis of molecular probes and tags for studying biological processes, leveraging the reactive ethynyl group for bio-conjugation.

Basic Information

Product Name	Methyl 3-Ethynylcyclopentane-1-Carboxylate
CAS No.	2102410-05-7
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	3-Ethynylcyclopentane-1-carboxylic acid methyl ester; Methyl 3-ethynyl-1-cyclopentanecarboxylate; 1-Cyclopentanecarboxylic acid, 3-ethynyl-, methyl ester; Methyl 3-ethynylcyclopentanecarboxylate
EINECS	Contact for details

Quality Control

Our Methyl 3-Ethynylcyclopentane-1-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and process development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and assay is provided with every shipment and is available upon request.

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 storing under an inert atmosphere to maintain optimal stability.

Specification

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