Description

5,5-Dimethylcyclopent-2-En-1-One is a high-purity, versatile cyclic enone building block with significant synthetic utility. This compound is valued for its unique sterically hindered structure, which makes it a critical intermediate in the synthesis of complex molecules, particularly in the pharmaceutical and fragrance industries. It is primarily sought after by R&D chemists and process development scientists for constructing key scaffolds in active pharmaceutical ingredients (APIs) and high-value aroma chemicals.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of steroidal frameworks, prostaglandin analogs, and other complex bioactive molecules.
• Fragrance & Flavor Synthesis: Serves as a precursor for musk-like odorants and other specialty aroma chemicals due to its cyclopentanone backbone.
• Agrochemical Research: Used in the development of novel pesticides and herbicides where its constrained ring system imparts specific biological activity.
• Material Science: Acts as a monomer or cross-linking agent in the research of specialty polymers and advanced organic materials.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions, Michael additions, and other carbon-carbon bond-forming transformations in academic and industrial laboratories.

Basic Information

Product Name	5,5-Dimethylcyclopent-2-En-1-One
CAS No.	17197-84-1
Molecular Formula	C7H10O
Molecular Weight	110.15 g/mol
Synonyms	5,5-Dimethyl-2-cyclopenten-1-one; 5,5-Dimethylcyclopentenone; 2-Cyclopenten-1-one, 5,5-dimethyl-; 5,5-Dimethyl-1-cyclopent-2-enone; NSC 209986
EINECS	Contact for details

Quality Control

Our 5,5-Dimethylcyclopent-2-En-1-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and identity. Certificates of Analysis (COA) detailing purity, impurity profile, and physical characteristics are provided with every shipment and are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	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.