Description

Cyclopentanecarboxylic Acid CAS NO 3400-45-1 is a versatile five-membered ring carboxylic acid, serving as a critical building block in advanced organic synthesis. Its unique cyclic structure makes it a valuable precursor for pharmaceuticals, agrochemicals, and specialty polymers. This high-purity intermediate is essential for research and development chemists and production facilities in the fine chemical and life sciences industries.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of active pharmaceutical ingredients (APIs), particularly those containing cyclopentane or cyclopentene rings.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents requiring specific cyclic frameworks.
• Polymer & Material Science: Acts as a monomer or co-monomer for creating specialized polyesters, polyamides, and other polymers with tailored thermal and mechanical properties.
• Ligand & Catalyst Development: Employed in the preparation of chiral ligands and organometallic catalysts for asymmetric synthesis.
• Fragrance & Flavor Industry: Serves as a precursor for synthesizing specific musk compounds and other aroma chemicals.
• Organic Synthesis Reagent: A fundamental reagent for ring-opening, esterification, and amidation reactions in complex molecule construction.

Basic Information

Product Name	Cyclopentanecarboxylic Acid
CAS No.	3400-45-1
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	Cyclopentanecarboxylic Acid; Cyclopentylcarboxylic Acid; Cyclopentane-1-carboxylic Acid; Carboxycyclopentane; NSC 406079; Pentane-1-carboxylic acid, cyclic; Cyclopentylformic Acid
EINECS	222-277-4

Quality Control

Our Cyclopentanecarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets high-purity standards suitable for pharmaceutical and fine chemical applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Due to its acidic nature, ensure containers are kept upright and sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid / crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.