Description

Tetracosapentaenoic Acid (CAS NO 81276-12-2) is a high-purity, long-chain polyunsaturated fatty acid (PUFA) of significant research and commercial interest. Its unique 24-carbon chain with five double bonds makes it a valuable biochemical precursor and a critical standard for analytical and nutritional studies. This compound is essential for laboratories and manufacturers in the pharmaceutical, nutraceutical, and advanced lipid research sectors requiring precise, high-quality reference materials and bioactive intermediates.

Application

• Biochemical & Pharmaceutical Research: Serves as a critical reference standard and precursor in the study of lipid metabolism, eicosanoid pathways, and the biosynthesis of specialized pro-resolving mediators (SPMs).
• Nutraceutical Development: Used as a high-purity ingredient or intermediate in the formulation of advanced ω-3 and ω-6 dietary supplements targeting specific health benefits.
• Analytical Chemistry: Essential as a certified reference material (CRM) for the calibration and validation of chromatographic methods (HPLC, GC) in fatty acid analysis.
• Cosmeceuticals: Incorporated into premium skincare formulations for its potential bioactive properties in supporting skin barrier function and health.
• Academic & Industrial R&D: A key tool for investigating the structure-function relationships of very long-chain PUFAs in cell biology and nutrition science.
• Food Science: Employed in research focused on the nutritional profiling and fortification of functional foods with specific fatty acids.

Basic Information

Product Name	Tetracosapentaenoic Acid
CAS No.	81276-12-2
Molecular Formula	C₂₄H₃₈O₂
Molecular Weight	358.56 g/mol
Synonyms	24:5n-6; Tetracosa-6,9,12,15,18-pentaenoic acid; all-cis-6,9,12,15,18-Tetracosapentaenoic acid; Nisinic acid (related isomer); C24:5 ω-6; C24:5 (n-6); Very Long Chain Polyunsaturated Fatty Acid (VLC-PUFA); Osbond acid (historical context)
EINECS	Contact for details

Quality Control

Our Tetracosapentaenoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the exacting standards required for research and industrial applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at -20°C or below under an inert atmosphere (e.g., argon or nitrogen) to prevent oxidation. Allow the container to reach room temperature in a desiccator before opening to minimize moisture absorption.

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	< 5.0 meq/kg
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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