Description

cis-3,4-Dimethylcyclopentene is a specialized, high-purity cyclic olefin monomer with a defined stereochemistry. This compound serves as a critical building block in advanced organic synthesis, offering a rigid, functionalizable backbone for creating complex molecular architectures. It is primarily utilized by research and development chemists in the pharmaceutical, agrochemical, and advanced materials sectors for applications requiring precise stereochemical control.

Application

• Pharmaceutical Intermediate: Acts as a key chiral synthon in the synthesis of novel active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with specific stereochemical requirements.
• Advanced Material Monomer: Serves as a precursor for specialty polymers, resins, and liquid crystals where the cis-configuration imparts specific material properties.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions, hydrogenations, and other cycloaddition chemistry to construct complex carbocyclic systems.
• Flavor & Fragrance Chemistry: Utilized as an intermediate in the synthesis of specific terpene-based aroma molecules.
• Catalysis & Ligand Development: Functions as a starting material for the synthesis of novel chiral ligands and organometallic catalysts.

Basic Information

Product Name	cis-3,4-Dimethylcyclopentene
CAS No.	56039-55-5
Molecular Formula	C7H12
Molecular Weight	96.17 g/mol
Synonyms	(3R,4S)-3,4-Dimethylcyclopentene; (Z)-3,4-Dimethylcyclopent-1-ene; 3,4-Dimethyl-1-cyclopentene (cis-); 1-Cyclopentene, 3,4-dimethyl-, (3R,4S)-rel-; 3,4-Dimethylcyclopentene (cis isomer)
EINECS	Contact for details

Quality Control

Our cis-3,4-Dimethylcyclopentene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C to minimize volatility and oxidation. Keep away from strong acids, oxidizing agents, and heat sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0% (area %)
Water Content (KF)	≤ 0.5%
Isomeric Purity (cis-)	≥ 95.0%

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