Description

(9E,11E)-9,11-Octadecadienoic Acid Methyl Ester is a specific conjugated linoleic acid (CLA) methyl ester isomer, a high-purity chemical intermediate of significant commercial interest. Its value lies in its defined stereochemistry, making it a crucial reference standard and a key building block for research and synthesis in advanced lipid chemistry. This product is essential for industries focused on nutritional science, pharmaceuticals, and specialty chemical manufacturing, where precise molecular structure dictates function and efficacy.

Application

• Reference Standard for Analytical Chemistry: Used for the calibration and validation of analytical methods (GC, HPLC) to quantify CLA isomers in complex mixtures like dietary supplements, food products, and biological samples.
• Nutritional & Pharmaceutical Research: Serves as a pure, defined starting material for studying the biological effects, metabolism, and health impacts of specific CLA isomers in vitro and in vivo.
• Synthetic Intermediate: Employed in the organic synthesis of more complex lipid derivatives, structured triglycerides, or bioactive molecules for pharmaceutical and nutraceutical development.
• Biochemical Studies: Utilized in enzymatic and metabolic pathway research to investigate lipid oxidation, signaling, and incorporation into cellular membranes.
• Cosmetic & Personal Care Ingredient Precursor: Acts as a high-purity feedstock for synthesizing specialty esters and emollients with targeted properties for advanced skincare formulations.
• Quality Control in Manufacturing: Essential for quality assurance laboratories in food, supplement, and chemical industries to verify the isomer-specific content of their CLA-based products.

Basic Information

Product Name	(9E,11E)-9,11-Octadecadienoic Acid Methyl Ester
CAS No.	13038-47-6
Molecular Formula	C₁₉H₃₄O₂
Molecular Weight	294.47 g/mol
Synonyms	Methyl (9E,11E)-9,11-octadecadienoate; (E,E)-9,11-Octadecadienoic acid methyl ester; Methyl trans-9,trans-11-octadecadienoate; trans-9,trans-11-CLA methyl ester; t9,t11-CLA methyl ester; Linoleic acid methyl ester (9E,11E)-isomer; Methyl linolelaidate (specific isomer)
EINECS	Contact for details

Quality Control

Our (9E,11E)-9,11-Octadecadienoic Acid Methyl Ester is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity assay (GC/HPLC) and identity confirmation (IR, MS), to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing purity, isomer content, and key specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and ensure long-term stability. Keep the container in a cool, dry, and well-ventilated area, away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Isomeric Purity ((9E,11E)-Isomer)	≥ 90.0%
Water Content (KF)	≤ 0.5%

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