Description

9Z,11E,13E,15Z-Octadecatetraenoic Acid is a polyunsaturated fatty acid characterized by its unique conjugated tetraene structure. This specific geometric isomer is of significant interest in biochemical research and advanced material synthesis due to its distinctive reactivity and potential biological activity. It serves as a valuable intermediate and reference standard for researchers and manufacturers in the life sciences and specialty chemicals sectors. The compound is primarily utilized in the development of lipid-based studies, bioactive compounds, and high-value chemical derivatives.

Application

• Biochemical Research: Used as a reference standard and key intermediate in the study of lipid metabolism, signaling pathways, and enzyme specificity related to conjugated fatty acids.
• Pharmaceutical Development: Serves as a building block for synthesizing novel bioactive molecules and potential drug candidates targeting metabolic and inflammatory pathways.
• Nutraceutical & Cosmetic Ingredients: Investigated for incorporation into advanced formulations where specific fatty acid isomers are required for stability or targeted function.
• Organic Synthesis: Acts as a specialized starting material or intermediate for producing conjugated systems used in polymers, ligands, and other complex organic molecules.
• Analytical Standards: Provides a high-purity standard for analytical methods such as HPLC, GC-MS, and NMR for the identification and quantification of complex lipid mixtures.

Basic Information

Product Name	9Z,11E,13E,15Z-Octadecatetraenoic Acid
CAS No.	18427-44-6
Molecular Formula	C₁₈H₂₈O₂
Molecular Weight	276.41 g/mol
Synonyms	9Z,11E,13E,15Z-Octadecatetraenoic Acid; (9Z,11E,13E,15Z)-Octadecatetraenoic Acid; α-Parinaric Acid (geometric isomer); (9Z,11E,13E,15Z)-9,11,13,15-Octadecatetraenoic Acid; Parinaric Acid (cis,trans,trans,cis-isomer); C18:4 (9Z,11E,13E,15Z); Conjugated Linolenic Acid Isomer; trans,trans,cis,cis-Parinaric Acid
EINECS	Contact for details

Quality Control

Our 9Z,11E,13E,15Z-Octadecatetraenoic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure identity, potency, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, supporting your research and quality assurance requirements. Our commitment is to deliver materials that meet the high standards expected in pharmaceutical and biochemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the label or COA. This material is easily oxidized and light-sensitive; prolonged exposure to air, heat, or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Melting Point	Specification available upon request
Heavy Metals	< 20 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.