Description

Cyclopentanecarboxylic Acid, 3-Ethenyl-2-Methyl- is a specialized, high-value organic building block featuring a cyclopentane ring substituted with both carboxylic acid and vinyl functional groups. This unique structure makes it a versatile intermediate for synthesizing complex molecules in advanced research and fine chemical manufacturing. It is primarily sought by pharmaceutical, agrochemical, and specialty chemical R&D teams for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex, constrained ring systems.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structural motifs can contribute to specific biological activity and environmental stability.
• Fine Chemical Manufacturing: Serves as a crucial building block for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Material Science Research: Employed in the development of novel polymers, resins, and advanced organic materials due to its reactive vinyl and acid functionalities.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic synthesis, including catalysis studies and the construction of complex natural product analogs.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-Ethenyl-2-Methyl-
CAS No.	108451-44-1
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	3-Vinyl-2-methylcyclopentanecarboxylic acid; 2-Methyl-3-vinylcyclopentanecarboxylic acid; 3-Ethenyl-2-methylcyclopentanecarboxylic acid; (3-Vinyl-2-methylcyclopentyl)carboxylic acid; Cyclopentanecarboxylic acid, 3-ethenyl-2-methyl-; 108451-44-1; 2-Methyl-3-vinyl-1-cyclopentanecarboxylic acid
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 3-Ethenyl-2-Methyl- is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. We offer various grades, including research and development grades, tailored to specific synthetic requirements. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 95.0% (Typical 97-99%)
Water Content (KF)	≤ 1.0%

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