Description

Delta 9-Trans 12-Trans Octadecadienoic Acid Ethyl Ester is a high-purity, conjugated linoleic acid (CLA) ethyl ester isomer, a key intermediate in the synthesis of bioactive compounds and specialty chemicals. This specific geometric isomer is valued for its defined structure, which is critical for research and development in nutritional science and pharmaceutical applications. It serves as an essential building block for manufacturers and R&D laboratories in the nutraceutical, pharmaceutical, and advanced chemical synthesis sectors seeking consistent, high-quality raw materials.

Application

• Nutraceutical & Dietary Supplement Intermediate: Used in the research and production of conjugated linoleic acid (CLA) based supplements for weight management and metabolic health.
• Pharmaceutical Research: Serves as a key starting material or reference standard in the development of drugs targeting lipid metabolism and inflammatory pathways.
• Biochemical & Nutritional Studies: Employed as a precise standard in analytical laboratories for studying the effects of specific CLA isomers on biological systems.
• Specialty Chemical Synthesis: Acts as a versatile chiral intermediate for the synthesis of more complex lipid derivatives and fine chemicals.
• Cosmetic & Personal Care Actives: Investigated for use in formulating skincare products targeting skin barrier function and cellular health.
• Food Science & Functional Food Development: Used in research to fortify foods with specific, bioactive lipid components.

Basic Information

Product Name	Delta 9-Trans 12-Trans Octadecadienoic Acid Ethyl Ester
CAS No.	6114-21-2
Molecular Formula	C₂₀H₃₆O₂
Molecular Weight	308.50 g/mol
Synonyms	Ethyl (9E,12E)-octadeca-9,12-dienoate; (9E,12E)-Octadecadienoic Acid Ethyl Ester; Ethyl Linoleate (specific isomer); CLA Ethyl Ester (9t,12t); 9-trans,12-trans-Linoleic Acid Ethyl Ester; Ethyl (9E,12E)-9,12-Octadecadienoate; Linoleic Acid Ethyl Ester Isomer
EINECS	Contact for details

Quality Control

Every batch of Delta 9-Trans 12-Trans Octadecadienoic Acid Ethyl Ester is produced and tested under a strict quality management system. We ensure high chemical and isomeric purity through advanced analytical techniques including GC and HPLC. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Under these conditions, the product remains stable. For long-term storage, consider an inert atmosphere (nitrogen) to minimize oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 95.0%
Isomeric Purity (9t,12t)	≥ 90.0%
Related Substances (GC)	≤ 5.0%
Residual Solvents	Meets ICH guidelines

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