Description

(5E,9Z)-5,9-Octadecadienoic Acid CAS NO 7049-91-4 is a high-purity, conjugated diene fatty acid of significant interest in advanced chemical synthesis and life science research. This compound serves as a critical building block and intermediate for producing specialized lipids, bioactive molecules, and novel polymers. It is particularly valuable for R&D and manufacturing in the pharmaceutical, nutraceutical, and specialty chemical industries, where precise molecular structure is paramount for product performance.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of bioactive lipid derivatives, prostaglandin analogs, and other therapeutic agents.
• Nutraceutical & Cosmetic Ingredient: Used in the research and development of specialized supplements and skincare products targeting specific biological pathways.
• Biochemical Research: Essential standard and reagent in lipidomics, metabolic studies, and enzyme activity assays (e.g., lipoxygenase studies).
• Polymer Science: Acts as a monomer or cross-linking agent for creating polymers with unique properties derived from its conjugated diene structure.
• Organic Synthesis: Versatile chiral building block for constructing complex natural products and organic molecules via reactions like Diels-Alder cycloaddition.
• Reference Standard: High-purity material for analytical method development, calibration, and quality control in laboratory and production settings.

Basic Information

Product Name	(5E,9Z)-5,9-Octadecadienoic Acid
CAS No.	7049-91-4
Molecular Formula	C₁₈H₃₂O₂
Molecular Weight	280.45 g/mol
Synonyms	5E,9Z-Octadecadienoic Acid; (5E,9Z)-Octadeca-5,9-dienoic Acid; trans-5,cis-9-Octadecadienoic Acid; 5-trans,9-cis-Octadecadienoic Acid; Colnelenic Acid; C18:2 δ5e,9z; FA(18:2(5E,9Z))
EINECS	Contact for details

Quality Control

Our (5E,9Z)-5,9-Octadecadienoic Acid is manufactured under strict quality management systems. Each batch is subjected to rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 98.0% (Total)
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents	Complies with ICH guidelines

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