Description

Cyclopentyl Chloroformate is a versatile and highly reactive chloroformate ester, a key building block in organic synthesis. Its primary value lies in its role as a cyclopentyloxycarbonyl (Cpc) protecting group reagent and a coupling agent for the introduction of the cyclopentyl moiety. This compound is essential for researchers and manufacturers in the pharmaceutical and fine chemical industries, particularly for the synthesis of active pharmaceutical ingredients (APIs), peptides, and complex organic molecules where selective protection and functionalization are required.

Application

• Pharmaceutical Intermediate: Critical for synthesizing active pharmaceutical ingredients (APIs) and prodrugs, especially in carbamate and carbonate formation.
• Peptide Synthesis: Used as a coupling reagent and for introducing the cyclopentyloxycarbonyl (Cpc) protecting group for amino acids.
• Polymer Chemistry: Serves as a monomer or modifying agent in the production of specialty polymers and polycarbonates.
• Agrochemical Synthesis: Employed in the manufacture of advanced herbicides, fungicides, and pesticides.
• Organic Synthesis Reagent: A valuable reagent for esterification, carbonate formation, and as a precursor for other cyclopentyl derivatives.
• Material Science: Used in surface modification and the creation of functional materials with specific properties.

Basic Information

Product Name	Cyclopentyl Chloroformate
CAS No.	50715-28-1
Molecular Formula	C6H9ClO2
Molecular Weight	148.59 g/mol
Synonyms	Chloroformic Acid Cyclopentyl Ester; Cyclopentyl Carbonochloridate; Cyclopentyloxycarbonyl Chloride; Cpc-Cl; Cyclopentyl Chlorocarbonate; Carbonochloridic Acid, Cyclopentyl Ester; Cyclopentyloxyformyl Chloride
EINECS	Contact for details

Quality Control

Our Cyclopentyl Chloroformate 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, assay, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with customer specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated) or as specified on the label. This product is hygroscopic (moisture-sensitive) and reacts with strong acids and bases; keep away from incompatible materials. Use under an inert atmosphere for prolonged storage.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	≤ 1.0%

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