Description

Cyclopentanecarbonyl Chloride is a versatile and highly reactive organic acid chloride derivative of cyclopentanecarboxylic acid. This compound is a critical building block in organic synthesis, valued for its ability to introduce the cyclopentylcarbonyl moiety into target molecules efficiently. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for the synthesis of active ingredients, intermediates, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing cyclopentane rings, such as certain prostaglandin analogs and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the cyclopentyl group enhances biological activity and stability.
• Polymer Chemistry: Serves as a monomer or modifying agent in the production of specialty polymers, including polyamides and polyesters, to alter thermal and mechanical properties.
• Organic Synthesis Reagent: Employed in Friedel-Crafts acylation, esterification, and amidation reactions to construct complex organic frameworks in research and development.
• Ligand and Catalyst Preparation: Utilized for synthesizing specialized ligands and metal-organic complexes used in asymmetric catalysis and material science.
• Fragrance and Flavor Intermediate: Acts as a building block for synthesizing specific musk compounds and other aroma chemicals.

Basic Information

Product Name	Cyclopentanecarbonyl Chloride
CAS No.	4524-93-0
Molecular Formula	C6H9ClO
Molecular Weight	132.59 g/mol
Synonyms	Cyclopentanecarboxylic Acid Chloride; Cyclopentanoyl Chloride; Cyclopentylcarbonyl Chloride; Cyclopentanecarboxylic Chloride; Cyclopentane-1-carbonyl Chloride; Cyclopentylformyl Chloride; 1-Carboxycyclopentane Chloride; Cyclopentanecarboxoyl Chloride
EINECS	Contact for details

Quality Control

Our Cyclopentanecarbonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support 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 a controlled room temperature (15-25°C). Due to its hygroscopic and reactive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details
Related Impurities (GC)	≤ 1.0% (total)

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