Description

2,3,4,5-Tetramethyl-2-Cyclopentenone is a high-purity, substituted cyclopentenone derivative characterized by its unique sterically hindered ketone structure. This compound serves as a versatile and valuable intermediate and building block in advanced organic synthesis, particularly for creating complex molecular architectures. It is essential for R&D and production in the pharmaceutical, agrochemical, and fragrance industries, where precise chemical functionality is required.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of sterically hindered, biologically active molecules and complex natural product analogs.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its reactive ketone group for further functionalization.
• Fragrance & Flavor Ingredient: Acts as a precursor for musky and amber odorants due to its tetramethyl-substituted cyclopentenone backbone.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, Michael additions, and other carbon-carbon bond forming reactions to construct complex ring systems.
• Material Science Research: Investigated as a monomer or cross-linking agent for specialty polymers with tailored properties.
• Catalyst Ligand Precursor: Used to develop novel chiral or sterically demanding ligands for asymmetric catalysis.

Basic Information

Product Name	2,3,4,5-Tetramethyl-2-Cyclopentenone
CAS No.	54458-61-6
Molecular Formula	C9H14O
Molecular Weight	138.21 g/mol
Synonyms	2-Cyclopenten-1-one, 2,3,4,5-tetramethyl-; Tetramethylcyclopentenone; 2,3,4,5-Tetramethyl-1-cyclopenten-1-one; 2,3,4,5-Tetramethylcyclopent-2-enone; 2,3,4,5-Tetramethyl-2-cyclopenten-1-one; 1-Cyclopenten-1-one, 2,3,4,5-tetramethyl-
EINECS	Contact for details

Quality Control

Every batch of 2,3,4,5-Tetramethyl-2-Cyclopentenone is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards and provide comprehensive analytical documentation. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is available for each lot upon request, guaranteeing traceability and consistency for your critical applications.

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 strong bases and incompatible materials. For long-term storage under an inert atmosphere is recommended.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.