Description

2-Propenal, 3-Cyclopentyl-, (2E)- is a specialized α,β-unsaturated aldehyde building block characterized by its cyclopentyl substituent and defined (E)-stereochemistry. This compound matters as a versatile chiral synthon for constructing complex molecular architectures, particularly in the synthesis of pharmaceuticals and fine chemicals where stereochemical control is critical. It is needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and advanced materials industries for applications in asymmetric synthesis and medicinal chemistry.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds targeting central nervous system (CNS) disorders and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, where the cyclopentyl moiety can influence biological activity and selectivity.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and other high-value specialty chemicals requiring specific stereochemistry.
• Academic & Industrial Research: Employed in methodological studies for new asymmetric reactions, including Michael additions, cycloadditions, and organocatalysis.
• Material Science: Potential monomer or cross-linking agent in the development of specialized polymers with tailored properties.

Basic Information

Product Name	2-Propenal, 3-Cyclopentyl-, (2E)-
CAS No.	118235-51-1
Molecular Formula	C8H12O
Molecular Weight	124.18 g/mol
Synonyms	(2E)-3-Cyclopentylprop-2-enal; trans-3-Cyclopentylacrylaldehyde; (E)-3-Cyclopentyl-2-propenal; 3-Cyclopentylacrylaldehyde; (E)-3-Cyclopentylacrylaldehyde; Cyclopentylacrolein; (E)-Cyclopentylacrolein; 3-Cyclopentylpropenal
EINECS	Contact for details

Quality Control

Our 2-Propenal, 3-Cyclopentyl-, (2E)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and polymerization. Keep the container in a cool, dry, well-ventilated area, away from heat sources and incompatible materials such as strong bases, amines, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee (E-isomer)
Water Content (KF)	≤ 0.5%

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