Description

Cyclopentanecarboxylic Acid, 3-Ethenyl-2-Methylene- (9Ci) is a specialized, high-purity organic acid derivative featuring a unique functionalized cyclopentane core. This compound matters as a versatile and valuable chemical intermediate for advanced synthesis, enabling the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development teams in the pharmaceutical and agrochemical sectors for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those with complex cyclic or polycyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for specialty chemicals, including flavors, fragrances, and advanced materials.
• Academic & Industrial Research: A valuable reagent for methodological studies in organic chemistry, including cycloaddition and polymerization reactions.
• Polymer Chemistry: The ethenyl and methylene groups make it a potential monomer or co-monomer for creating specialty polymers with tailored properties.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 3-Ethenyl-2-Methylene- (9Ci)
CAS No.	108451-43-0
Molecular Formula	C9H12O2
Molecular Weight	152.19 g/mol
Synonyms	3-Ethenyl-2-methylenepentane-1-carboxylic acid; 3-Vinyl-2-methylenepentane-1-carboxylic acid; 2-Methylene-3-vinylcyclopentanecarboxylic acid; 3-Vinyl-2-methylenepentanoic acid; Cyclopentanecarboxylic acid, 3-ethenyl-2-methylene-; 108451-43-0
EINECS	Contact for details

Quality Control

Our production of Cyclopentanecarboxylic Acid, 3-Ethenyl-2-Methylene- (9Ci) adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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