Description

9,12-Octadecadienoic acid, (9E,12Z)- is a specific geometric isomer of linoleic acid, a polyunsaturated fatty acid essential in various biochemical and industrial processes. This compound matters for its role as a key intermediate in the synthesis of specialized lipids, bioactive molecules, and high-value chemical derivatives. It is needed by research institutions, pharmaceutical developers, and specialty chemical manufacturers focusing on lipid chemistry, nutraceuticals, and advanced material science.

Application

• Biochemical Research: Used as a standard and intermediate in the study of fatty acid metabolism, lipid peroxidation, and cell signaling pathways.
• Pharmaceutical Intermediates: Serves as a key building block for the synthesis of prostaglandins, leukotrienes, and other eicosanoids with therapeutic potential.
• Nutraceutical & Cosmetic Formulations: Incorporated into advanced lipid-based delivery systems and skincare products targeting skin barrier function.
• Specialty Chemical Synthesis: Acts as a precursor for producing surfactants, lubricant additives, and polymer modifiers with specific performance characteristics.
• Analytical Reference Standard: Employed in chromatography (GC, HPLC) for the identification and quantification of fatty acid profiles in complex matrices.

Basic Information

Product Name	9,12-Octadecadienoic acid, (9E,12Z)-
CAS No.	2420-42-0
Molecular Formula	C18H32O2
Molecular Weight	280.45 g/mol
Synonyms	(9E,12Z)-9,12-Octadecadienoic Acid; Linoleic Acid, (9E,12Z)-; trans-9,cis-12-Octadecadienoic Acid; (E,Z)-Linoleic Acid; 9-trans,12-cis-Linoleic Acid; Linolelaidic Acid (specific isomer); C18:2 (9E,12Z); FA 18:2 (9E,12Z)
EINECS	219-352-1

Quality Control

Our 9,12-Octadecadienoic acid, (9E,12Z)- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography (HPLC, GC) and spectroscopic methods, to ensure identity, purity, and isomer specificity. Certificates of Analysis (COA) with detailed batch-specific results are available upon request to support your quality assurance and regulatory compliance needs.

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 degradation. Keep the container in a cool, dry, and well-ventilated area away from heat and ignition sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Isomeric Purity (GC)	≥ 90.0% (9E,12Z) isomer
Peroxide Value	< 10.0 meq/kg

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