Description

1-Cyclopentene-1-Carboxaldehyde, 4-Ethyl-2-Methyl- (9Ci) is a specialized, high-purity aldehyde derivative of cyclopentene, serving as a valuable chiral building block and intermediate in advanced organic synthesis. Its unique structure, featuring both an aldehyde group and a substituted cyclopentene ring, makes it a critical precursor for constructing complex molecular architectures with high stereochemical control. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries, where it is used to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in the development of antiviral, anti-inflammatory, and central nervous system (CNS) active compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structural complexity contributes to targeted biological activity.
• Fine Chemical Manufacturing: Serves as a crucial building block for creating specialty chemicals, including flavors, fragrances, and advanced polymer precursors.
• Academic & Industrial R&D: Employed in methodological research for developing new asymmetric synthesis routes and catalytic processes.
• Material Science: Potential monomer or cross-linking agent in the development of specialty polymers with unique thermal or mechanical properties.

Basic Information

Product Name	1-Cyclopentene-1-Carboxaldehyde, 4-Ethyl-2-Methyl- (9Ci)
CAS No.	333986-89-3
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	4-Ethyl-2-methyl-1-cyclopentene-1-carboxaldehyde; 4-Ethyl-2-methylcyclopent-1-ene-1-carbaldehyde; 2-Methyl-4-ethyl-1-cyclopentene-1-carboxaldehyde; (4-Ethyl-2-methyl-1-cyclopenten-1-yl)methanal; Cyclopentene-1-carboxaldehyde, 4-ethyl-2-methyl-; 1-Formyl-4-ethyl-2-methyl-1-cyclopentene
EINECS	Contact for details

Quality Control

Our production of 1-Cyclopentene-1-Carboxaldehyde, 4-Ethyl-2-Methyl- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including GC, HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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