Description

trans-5-Methyl-3-(Methylethenyl)-Cyclohexene is a specialized monoterpene derivative characterized by its distinct cyclohexene ring structure with methyl and methylethenyl substituents. This compound serves as a valuable intermediate and building block in advanced organic synthesis, prized for its unique stereochemistry and functional group reactivity. It is primarily utilized by flavor and fragrance (F&F) manufacturers and fine chemical producers seeking to create complex aroma molecules or other high-value specialty chemicals.

Application

• Flavor and Fragrance (F&F) Industry: A key intermediate in the synthesis of complex terpenoid aroma chemicals, contributing to woody, green, or citrus olfactory notes.
• Pharmaceutical Intermediates: Serves as a chiral building block for the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the research and development of novel crop protection agents and pesticides.
• Fine Chemical Production: Acts as a precursor for catalysts, ligands, and other specialized organic compounds used in research and industrial processes.
• Academic and Industrial R&D: Employed in chemical research for studying reaction mechanisms, stereochemistry, and developing new synthetic methodologies.

Basic Information

Product Name	trans-5-Methyl-3-(Methylethenyl)-Cyclohexene
CAS No.	56816-08-1
Molecular Formula	C10H16
Molecular Weight	136.23 g/mol
Synonyms	trans-5-Methyl-3-vinyl-1-cyclohexene; 3-Ethenyl-5-methylcyclohexene; 5-Methyl-3-vinylcyclohex-1-ene; (1R,3S)-5-Methyl-3-vinylcyclohex-1-ene (for specific enantiomer); Terpene derivative C10H16; Aroma chemical intermediate 56816-08-1
EINECS	Contact for details

Quality Control

Our trans-5-Methyl-3-(Methylethenyl)-Cyclohexene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, GC-MS, and chiral analysis where applicable, to ensure high purity and consistent isomeric composition. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality systems are designed to meet the stringent requirements of the flavor, fragrance, and pharmaceutical intermediate markets.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Area %)
Isomeric Purity (GC)	≥ 90.0% trans-isomer
Water Content (KF)	≤ 0.5%

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