Description

trans-12-Octadecenoic Acid Methyl Ester is a high-purity fatty acid methyl ester (FAME) derivative, specifically the methyl ester of the trans-12-octadecenoic acid isomer. This compound serves as a critical intermediate and reference standard in advanced chemical synthesis and analytical research. It is essential for industries requiring precise fatty acid profiling, including pharmaceutical development, nutritional science, and specialty chemical manufacturing.

Application

• Pharmaceutical Intermediate: Used in the synthesis of specialized lipid-based drug formulations and active pharmaceutical ingredients (APIs).
• Analytical Reference Standard: A critical component for gas chromatography (GC) and mass spectrometry (MS) in the identification and quantification of fatty acid profiles in complex matrices.
• Biochemical Research: Serves as a substrate or model compound in studies of lipid metabolism, membrane biophysics, and enzyme kinetics.
• Specialty Chemical Synthesis: Acts as a key building block for producing surfactants, lubricant additives, and other oleochemical derivatives.
• Nutritional Science: Used in research focused on the metabolic effects of specific trans-fatty acid isomers.
• Cosmetic & Personal Care: Employed in the formulation of high-end emollients and skin-conditioning agents.

Basic Information

Item	Details
Product Name	trans-12-Octadecenoic Acid Methyl Ester
CAS No.	20221-23-2
Molecular Formula	C₁₉H₃₆O₂
Molecular Weight	296.49 g/mol
Synonyms	Methyl (E)-12-Octadecenoate; Methyl trans-12-Octadecenoate; (E)-12-Octadecenoic Acid Methyl Ester; 12-Octadecenoic Acid, Methyl Ester, (12E)-; Methyl Elaidate (common name for trans-9 isomer, often used in broader context); trans-12-Octadecenoic Acid Methyl Ester; FAME (C18:1 trans-12); Methyl 12E-Octadecenoate
EINECS	243-637-4

Quality Control

Our trans-12-Octadecenoic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and isomer specificity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical parameters. Our quality commitment aligns with cGMP and ISO 9001 principles to guarantee batch-to-batch consistency for research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Isomeric Purity (trans-12)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Residual Solvents (GC)	Meets ICH guidelines

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