Description

2-Cyclopenten-1-One, 4-Ethenylidene-3,5-Dimethyl- (9Ci) is a specialized cyclic enone derivative, valued for its unique structural motif and reactivity. This compound serves as a versatile and high-value chemical intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by pharmaceutical research and fine chemical industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates, particularly those with cyclic or fused-ring structures.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its reactive enone functionality.
• Flavor & Fragrance Ingredient: Serves as a precursor for synthesizing specific aroma chemicals and fragrance molecules.
• Material Science Research: Employed in the development of specialty polymers and advanced organic materials.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry and catalysis.
• Fine Chemical Production: Integral to the custom synthesis of high-value, low-volume specialty chemicals for various industrial applications.

Basic Information

Product Name	2-Cyclopenten-1-One, 4-Ethenylidene-3,5-Dimethyl- (9Ci)
CAS No.	65984-13-6
Molecular Formula	C9H10O
Molecular Weight	134.18 g/mol
Synonyms	4-Ethenylidene-3,5-dimethylcyclopent-2-en-1-one; 3,5-Dimethyl-4-vinylidene-2-cyclopenten-1-one; 4-Vinylidene-3,5-dimethyl-2-cyclopenten-1-one; 2-Cyclopenten-1-one, 4-ethylidene-3,5-dimethyl-; 4-Ethylidene-3,5-dimethyl-2-cyclopenten-1-one
EINECS	Contact for details

Quality Control

Our 2-Cyclopenten-1-One, 4-Ethenylidene-3,5-Dimethyl- (9Ci) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial synthesis. Comprehensive 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 in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. The compound is light-sensitive; store away from light.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/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.