Description

(1E,5E,8R,11E)-8-[(1E)-1,5-Dimethyl-1,4-Hexadienyl]-5,11-Dimethyl-1,5,11-Cyclotetradecatriene-1-Carboxylic Acid Methyl Ester is a high-purity, structurally complex sesquiterpene derivative. This compound serves as a valuable advanced intermediate and reference standard in specialized organic synthesis and analytical research. It is primarily sought by R&D and quality control laboratories in the pharmaceutical, agrochemical, and fragrance industries for developing novel active ingredients and conducting precise analytical studies.

Application

• Pharmaceutical Intermediate: Key chiral building block for the synthesis of novel therapeutic agents and complex natural product analogs.
• Analytical Reference Standard: High-purity standard for method development, validation, and quality control in HPLC, GC, and LC-MS analysis.
• Agrochemical Research: Intermediate in the development of new pesticides, herbicides, or plant growth regulators with specific stereochemistry.
• Fragrance & Flavor Synthesis: Precursor for creating unique, high-value sesquiterpene-based aroma chemicals and flavor compounds.
• Academic & Institutional Research: Used in universities and research institutes for studies in organic chemistry, total synthesis, and stereoselective reactions.
• Material Science: Potential monomer or precursor for specialty polymers and advanced organic materials requiring specific molecular architectures.

Basic Information

Product Name	(1E,5E,8R,11E)-8-[(1E)-1,5-Dimethyl-1,4-Hexadienyl]-5,11-Dimethyl-1,5,11-Cyclotetradecatriene-1-Carboxylic Acid Methyl Ester
CAS No.	71769-55-6
Molecular Formula	C24H36O2
Molecular Weight	356.55 g/mol
Synonyms	Methyl (1E,5E,8R,11E)-8-[(1E)-1,5-dimethylhexa-1,4-dien-1-yl]-5,11-dimethylcyclotetradeca-1,5,11-triene-1-carboxylate; (1E,5E,8R,11E)-8-[(1E)-1,5-Dimethyl-1,4-hexadien-1-yl]-5,11-dimethyl-1,5,11-cyclotetradecatriene-1-carboxylic acid methyl ester; CAS 71769-55-6; Methyl Ester of a Cyclotetradecatriene Carboxylic Acid Derivative; Sesquiterpene Methyl Ester Intermediate
EINECS	Contact for details

Quality Control

Our (1E,5E,8R,11E)-8-[(1E)-1,5-Dimethyl-1,4-Hexadienyl]-5,11-Dimethyl-1,5,11-Cyclotetradecatriene-1-Carboxylic Acid Methyl Ester is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure identity, potency, and consistency. Certificates of Analysis (COA) detailing batch-specific results are provided and available upon request to support your regulatory and research needs.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC, Area %)	≥ 95.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% (8R isomer)
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.