Description

Octadecatetraenoic Acid CAS NO 25448-06-0 is a polyunsaturated fatty acid characterized by its 18-carbon chain and four double bonds, making it a valuable intermediate in organic synthesis and biochemical research. Its unique structure is crucial for the study of lipid metabolism and the development of specialized nutritional and pharmaceutical compounds. This high-purity material is essential for manufacturers and R&D laboratories in the nutraceutical, pharmaceutical, and advanced chemical synthesis sectors.

Application

• Biochemical Research: A key substrate for studying enzyme pathways involved in fatty acid metabolism and eicosanoid biosynthesis.
• Pharmaceutical Intermediates: Serves as a critical building block for the synthesis of specialized lipid-based drug candidates and pro-drugs.
• Nutraceutical Development: Used in the research and formulation of advanced dietary supplements targeting specific metabolic functions.
• Reference Standard: Employed as a high-purity analytical standard in chromatography (HPLC, GC) for quality control and method validation.
• Organic Synthesis: Acts as a versatile starting material or intermediate for synthesizing complex organic molecules, including surfactants and specialty esters.
• Cosmetic Science: Investigated for potential use in advanced skincare formulations due to its structural properties.

Basic Information

Product Name	Octadecatetraenoic Acid
CAS No.	25448-06-0
Molecular Formula	C₁₈H₂₈O₂
Molecular Weight	276.41 g/mol
Synonyms	Stearidonic Acid; Moroctic Acid; 6,9,12,15-Octadecatetraenoic Acid; (6Z,9Z,12Z,15Z)-6,9,12,15-Octadecatetraenoic Acid; 18:4 n-3; ω-3-Stearidonic Acid; SDA
EINECS	246-996-4

Quality Control

Our Octadecatetraenoic Acid is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

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, separate from incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow oil
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Peroxide Value	< 10.0 meq/kg
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH limits

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