Description

(E)-3-Cyclopentylacrylic Acid CAS NO 117929-79-0 is a high-purity, unsaturated carboxylic acid featuring a cyclopentyl substituent, serving as a versatile and valuable chiral building block in advanced organic synthesis. Its rigid, non-aromatic ring structure and defined stereochemistry make it a critical intermediate for constructing complex molecular architectures with precise spatial orientation. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of potential drug candidates, particularly in developing protease inhibitors, receptor modulators, and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure can contribute to biological activity and environmental selectivity.
• Ligand and Catalyst Development: Employed as a precursor for creating novel chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Flavor and Fragrance Industry: Serves as a starting material for synthesizing specific aroma chemicals and musk analogs.
• Academic and R&D Laboratories: A valuable reagent for methodological studies in organic chemistry, including cycloaddition and conjugate addition reactions.

Basic Information

Product Name	(E)-3-Cyclopentylacrylic Acid
CAS No.	117929-79-0
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	(E)-3-Cyclopentyl-2-propenoic Acid; trans-3-Cyclopentylacrylic Acid; (E)-3-Cyclopentylpropenoic Acid; 3-Cyclopentylacrylic Acid (mixed isomers); Cyclopentylideneacetic Acid; (E)-Cyclopentylacrylic Acid; 2-Propenoic acid, 3-cyclopentyl-, (E)-; (E)-3-Cyclopentyl-2-propenoic acid
EINECS	Contact for details

Quality Control

Our (E)-3-Cyclopentylacrylic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chiral purity analysis, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing identity, purity (by HPLC), and specific impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and heat sources. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% (E-isomer)
Melting Point	Contact for details
Loss on Drying	≤ 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.