Description

18-Methyl-5,9-Eicosadienoic Acid is a specialized, long-chain fatty acid derivative with a unique methyl-branched structure. This compound is valued as a high-purity intermediate for advanced organic synthesis and research into lipid-based molecules. It is primarily sought by manufacturers and R&D laboratories in the pharmaceutical, nutraceutical, and specialty chemical sectors for developing novel bioactive compounds.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex lipid-based drug candidates and pro-drugs.
• Nutraceutical Research: Used in the study and development of specialized fatty acid supplements and functional lipids.
• Biochemical Research: Acts as a standard or substrate in enzymatic studies and metabolic pathway investigations involving branched-chain fatty acids.
• Specialty Chemical Synthesis: Employed in the production of high-value surfactants, lubricant additives, and performance polymers requiring specific lipid backbones.
• Cosmetic Ingredient Development: Investigated for use in advanced skincare formulations targeting skin barrier function and delivery systems.

Basic Information

Product Name	18-Methyl-5,9-Eicosadienoic Acid
CAS No.	133530-15-1
Molecular Formula	C₂₁H₃₈O₂
Molecular Weight	322.53 g/mol
Synonyms	18-Methyl-5,9-eicosadienoic acid; (5Z,9Z)-18-Methyleicosa-5,9-dienoic acid; 18-Methyl-cis-5,cis-9-eicosadienoic acid; 18-Methyl-δ5,δ9-eicosadienoic acid; 18-Methyl-5Z,9Z-eicosadienoic acid; 18-Methyl all-cis-5,9-eicosadienoic acid
EINECS	Contact for details

Quality Control

Our 18-Methyl-5,9-Eicosadienoic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Due to its sensitivity to oxidation, minimize headspace and avoid prolonged exposure to air after opening.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%

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