Description

Methyl-1 2-Cyclopentene Oxide 99 is a high-purity, versatile epoxide derivative of cyclopentene, serving as a critical chiral building block and reactive intermediate in advanced organic synthesis. Its strained three-membered oxirane ring makes it a valuable electrophile for ring-opening reactions, enabling the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise stereochemistry and functional group transformations.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring chiral centers and functionalized cyclopentane rings.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides where its epoxide functionality allows for the introduction of heteroatoms and complex side chains.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and performance chemicals due to its reactive nature and ability to form new carbon-oxygen bonds.
• Polymer & Resin Modification: Employed as a cross-linking agent or monomer in the formulation of specialty epoxy resins and polymers with tailored properties.
• Organic Synthesis Reagent: A valuable reagent in academic and industrial R&D for nucleophilic ring-opening reactions, asymmetric synthesis, and the preparation of diols, amino alcohols, and other derivatives.
• Material Science Research: Investigated for use in creating novel organic frameworks and surface coatings that leverage its reactivity and molecular structure.

Basic Information

Product Name	Methyl-1 2-Cyclopentene Oxide 99
CAS No.	16240-42-9
Molecular Formula	C6H10O
Molecular Weight	98.14 g/mol
Synonyms	1-Methylcyclopentene oxide; 1-Methyl-1,2-epoxycyclopentane; 1-Methyl-1,2-epoxycyclopentane; 1-Methylcyclopentene epoxide; 2-Methyl-2,3-epoxycyclopentane (isomer); Methylcyclopentene oxide; 1-Methyl-1-oxacycloprop-2-ylcyclopentane
EINECS	Contact for details

Quality Control

Our Methyl-1 2-Cyclopentene Oxide 99 is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere (e.g., nitrogen or argon) to preserve stability and purity. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	Contact for details
Specific Gravity (20°C)	Contact for details

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