Description

2-Cyclopenten-1-One, 4-Methyl-5-(2-Methylpropylidene)-, (5E)- (9Ci) is a specialized cyclic enone compound that serves as a valuable building block in advanced organic synthesis. Its unique structure, featuring a conjugated system and an exocyclic double bond, makes it a versatile intermediate for constructing complex molecular frameworks. This high-purity chemical is essential for research and development in the pharmaceutical and fine chemical industries, where it is used to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex bioactive molecules, including potential drug candidates and natural product analogs.
• Fine Chemical Synthesis: Used in the production of specialty chemicals, flavors, and fragrances due to its reactive carbonyl and olefin functionalities.
• Agrochemical Research: Employed as a precursor in developing novel pesticides and herbicides with specific modes of action.
• Material Science: Acts as a monomer or cross-linking agent in the development of advanced polymers and functional materials.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry, particularly in cycloaddition and conjugate addition reactions.

Basic Information

Product Name	2-Cyclopenten-1-One, 4-Methyl-5-(2-Methylpropylidene)-, (5E)- (9Ci)
CAS No.	727429-99-4
Molecular Formula	C10H14O
Molecular Weight	150.22 g/mol
Synonyms	(5E)-4-Methyl-5-(2-methylpropylidene)cyclopent-2-en-1-one; 4-Methyl-5-(2-methylpropylidene)-2-cyclopenten-1-one, (5E)-; 2-Cyclopenten-1-one, 4-methyl-5-(2-methylpropylidene)-, (5E)-; (E)-4-Methyl-5-(2-methylpropylidene)cyclopent-2-en-1-one; 727429-99-4; 4-Methyl-5-isobutylidene-2-cyclopenten-1-one
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for our chemical intermediates. Every batch of 2-Cyclopenten-1-One, 4-Methyl-5-(2-Methylpropylidene)-, (5E)- is analyzed using advanced techniques like GC, HPLC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment. Our quality management system is designed to meet the exacting standards required for pharmaceutical and high-end synthetic applications.

Storage

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

Specification

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