Description

2-Cyclopentene-1-Acetaldehyde, 5-Ethylidene-4-Oxo-, (5Z)- (9Ci) is a specialized, high-value chemical intermediate characterized by its unique cyclopentene and aldehyde functional groups. This compound matters for its role as a critical building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those with complex cyclic or heterocyclic structures.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a versatile building block for creating specialty chemicals, flavors, and fragrances.
• Academic & Industrial Research: Employed in methodological studies and as a model compound in organic chemistry research for exploring new reactions.
• Material Science: Investigated as a monomer or cross-linking agent for developing advanced polymeric materials with specific properties.

Basic Information

Product Name	2-Cyclopentene-1-Acetaldehyde, 5-Ethylidene-4-Oxo-, (5Z)- (9Ci)
CAS No.	657390-27-7
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	(5Z)-5-Ethylidene-4-oxo-2-cyclopentene-1-acetaldehyde; 2-Cyclopentene-1-acetaldehyde, 5-ethylidene-4-oxo-, (5Z)-; 5-Ethylidene-4-oxo-2-cyclopenten-1-ylacetaldehyde; 657390-27-7; (Z)-5-Ethylidene-4-oxocyclopent-2-ene-1-acetaldehyde
EINECS	Contact for details

Quality Control

Our 2-Cyclopentene-1-Acetaldehyde, 5-Ethylidene-4-Oxo-, (5Z)- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for research and development applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. This material is likely light-sensitive and should be handled under an inert atmosphere if found to be easily oxidized.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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