Description

3-Cyclopentylpropionic Acid is a versatile carboxylic acid derivative characterized by its cyclopentyl moiety. This compound serves as a valuable intermediate and building block in advanced organic synthesis, enabling the introduction of a lipophilic, alicyclic structure. It is primarily utilized by the pharmaceutical, agrochemical, and specialty chemical industries for research and development, as well as process chemistry.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a cyclopentyl group for biological activity or metabolic stability.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the cyclopentylpropionic acid structure acts as a core component.
• Liquid Crystal & Electronic Chemicals: Serves as a precursor in the manufacture of specialty monomers and intermediates for liquid crystal displays (LCDs) and other electronic materials.
• Fragrance & Flavor Ingredient: Employed as a synthetic intermediate for creating musky or ambery odorants and complex flavor compounds.
• Polymer Modification: Acts as a monomer or chain modifier in the synthesis of specialty polyesters, polyamides, and other polymers to alter physical properties.
• Organic Synthesis Reagent: A useful reagent in academic and industrial research for cyclopentyl group incorporation via esterification, amidation, or reduction reactions.

Basic Information

Product Name	3-Cyclopentylpropionic Acid
CAS No.	140-77-2
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	Cyclopentanepropionic Acid; 3-Cyclopentylpropanoic Acid; β-Cyclopentylpropionic Acid; Cyclopentylpropanoic Acid; 3-Cyclopentylpropionsäure (German); Acide 3-cyclopentylpropanoïque (French); (3-Cyclopentylpropionyl)oxy; EINECS 205-437-6
EINECS	205-437-6

Quality Control

Our 3-Cyclopentylpropionic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting your quality assurance and regulatory compliance needs.

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 strong bases, oxidizing agents, and sources of ignition. Due to its acidic nature, ensure containers are made of compatible materials and are properly sealed.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.4580 - 1.4620
Density (20°C)	1.00 - 1.05 g/mL

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