Description

Cyclopentylpropionyl Chloride is a versatile and highly reactive organic acid chloride derivative. This compound serves as a critical building block in advanced organic synthesis, enabling the efficient introduction of the cyclopentylpropionyl moiety. It is primarily utilized by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures. Its reactivity profile makes it indispensable for amide and ester formation under mild conditions.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators requiring specific lipophilic side chains.
• Peptide Mimetics & Prodrug Development: Facilitates the acylation of amino groups to create peptide analogs and prodrugs with enhanced bioavailability.
• Polymer Chemistry: Acts as a monomer or modifying agent for specialty polymers, including polyamides and polyesters with unique thermal properties.
• Ligand & Catalyst Preparation: Employed in the synthesis of specialized ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Fine Chemical & Flavor/Fragrance Precursor: Serves as a starting material for synthesizing complex esters and ketones used in high-value fragrance and flavor compounds.

Basic Information

Product Name	Cyclopentylpropionyl Chloride
CAS No.	104-97-2
Molecular Formula	C8H13ClO
Molecular Weight	160.64 g/mol
Synonyms	Cyclopentanepropanoyl chloride; 3-Cyclopentylpropionyl chloride; Cyclopentylpropionic acid chloride; 3-Cyclopentylpropanoyl chloride; Cyclopentanepropionyl chloride; Cyclopentylpropanoic acid chloride; Cyclopentylpropionylchloride; 104-97-2
EINECS	203-254-6

Quality Control

Our Cyclopentylpropionyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment. We adhere to cGMP guidelines where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at temperatures between 2°C and 8°C (refrigerated) or as specified for specific grades. This product is hygroscopic (moisture-sensitive) and highly volatile. Containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition from moisture ingress. Keep away from heat, sparks, open flames, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (Karl Fischer)	≤ 0.5%
Related Impurities (GC)	≤ 1.0% (any single impurity)

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