Description

2-Cyclopenten-1-One,2-Methyl-5-Methylene-3-(1-Methylethyl)-(9Ci) is a specialized cyclic ketone derivative with a unique, functionalized cyclopentenone core structure. This compound serves as a valuable versatile chemical intermediate and building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fragrance industries for the development of novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key chiral building block for synthesizing complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Fragrance & Flavor Chemistry: Serves as a precursor for creating unique musk-like or woody odorants and flavoring agents.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions, Michael additions, and other cyclization processes to construct complex organic molecules.
• Material Science Research: Investigated as a monomer or cross-linking agent for developing novel polymers with specific thermal or mechanical properties.
• Chemical Research & Development: A valuable tool for academic and industrial research in methodology development and total synthesis projects.

Basic Information

Product Name	2-Cyclopenten-1-One,2-Methyl-5-Methylene-3-(1-Methylethyl)-(9Ci)
CAS No.	99474-32-5
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	2-Methyl-5-methylene-3-(propan-2-yl)cyclopent-2-en-1-one; 3-Isopropyl-2-methyl-5-methylidenecyclopent-2-en-1-one; 2-Methyl-5-methylene-3-isopropyl-2-cyclopenten-1-one; 3-Isopropyl-2-methyl-5-methylidene-2-cyclopenten-1-one; 2-Cyclopenten-1-one, 2-methyl-5-methylene-3-(1-methylethyl)-; 2-Methyl-5-methylene-3-(1-methylethyl)-2-cyclopenten-1-one
EINECS	Contact for details

Quality Control

Our high-purity 2-Cyclopenten-1-One derivative is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for production, ensuring reliability for critical R&D and scale-up processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at a controlled room temperature (15-25°C/59-77°F). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and potential concentration changes. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.