Description

(1E,5E,8S,10R)-1,5-Dimethyl-8,10-Bis(Isopropenyl)-1,5-Cyclododecadiene is a high-purity, chiral sesquiterpene derivative with a complex bicyclic structure, serving as a critical advanced intermediate in organic synthesis. Its value lies in providing a stereochemically defined scaffold for constructing complex natural products and novel molecular architectures. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fragrance industries, where precise stereochemistry is paramount for biological activity and material properties.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of complex drug candidates and bioactive natural product analogs.
• Agrochemical Research: Used in developing novel pesticides and herbicides with specific stereochemical requirements for target interaction.
• Fragrance & Flavor Chemistry: Serves as a precursor for synthesizing unique sesquiterpenoid aroma compounds and flavoring agents.
• Material Science: Investigated as a monomer or cross-linking agent for creating specialized polymers with tailored properties.
• Academic & R&D: A valuable tool for methodological studies in asymmetric synthesis, catalysis, and total synthesis projects.
• Fine Chemical Synthesis: Intermediate for producing other high-value, stereochemically complex specialty chemicals.

Basic Information

Product Name	(1E,5E,8S,10R)-1,5-Dimethyl-8,10-Bis(Isopropenyl)-1,5-Cyclododecadiene
CAS No.	66723-19-1
Molecular Formula	C20H32
Molecular Weight	272.47 g/mol
Synonyms	(1E,5E,8S,10R)-1,5-Dimethyl-8,10-di(prop-1-en-2-yl)cyclododeca-1,5-diene; (1E,5E,8S,10R)-8,10-Diisopropenyl-1,5-dimethyl-1,5-cyclododecadiene; 1,5-Cyclododecadiene, 1,5-dimethyl-8,10-bis(1-methylethenyl)-, (1E,5E,8S,10R)-; Chiral Sesquiterpene Diene; Advanced Sesquiterpene Intermediate
EINECS	Contact for details

Quality Control

Our (1E,5E,8S,10R)-1,5-Dimethyl-8,10-Bis(Isopropenyl)-1,5-Cyclododecadiene is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including chiral HPLC and NMR, to ensure high chemical and stereochemical purity and batch-to-batch consistency. Certificates of Analysis (COA) with detailed chromatographic data are provided to support your R&D and quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) to prevent oxidation and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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