Description

4-Acetyl-2,3,4,5,5-pentamethyl-2-cyclopenten-1-one is a high-purity, specialized cyclopentenone derivative with a unique pentamethyl-substituted structure. This compound serves as a valuable advanced intermediate and building block in fine chemical synthesis, prized for its defined stereochemistry and reactivity. It is primarily utilized by R&D chemists and process development teams in the pharmaceutical, agrochemical, and fragrance industries for creating complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Fragrance & Flavor Chemistry: Serves as a precursor for musk analogs and other specialty aroma chemicals due to its substituted cyclopentenone backbone.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialized polymers and resins.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions, Michael additions, and other cyclization strategies to construct complex carbocyclic systems.
• Academic & Industrial R&D: A valuable tool for methodological studies and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	4-Acetyl-2,3,4,5,5-pentamethyl-2-cyclopenten-1-one
CAS No.	50506-59-7
Molecular Formula	C₁₂H₁₈O₂
Molecular Weight	194.27 g/mol
Synonyms	4-Acetyl-2,3,4,5,5-pentamethyl-2-cyclopentenone; 2-Cyclopenten-1-one, 4-acetyl-2,3,4,5,5-pentamethyl-; 4-Acetyl-2,3,4,5,5-pentamethylcyclopent-2-en-1-one; 4-Acetylpentamethyl-2-cyclopenten-1-one; 2,3,4,5,5-Pentamethyl-4-acetyl-2-cyclopenten-1-one
EINECS	Contact for details

Quality Control

Our 4-Acetyl-2,3,4,5,5-pentamethyl-2-cyclopenten-1-one is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure identity, purity, and consistency. Comprehensive Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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