Description

(9E,11E,13E)-9,11,13-Octadecatrienoic Acid CAS NO 544-73-0 is a high-purity, conjugated linolenic acid isomer, specifically the all-trans isomer of calendic acid. This compound serves as a critical intermediate and reference standard for research and industrial synthesis. It is primarily required by pharmaceutical, nutraceutical, and specialty chemical manufacturers for developing bioactive compounds and advanced materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of specialized lipid-based drug formulations and bioactive molecules.
• Biochemical Research: Acts as a high-purity reference standard and substrate for studying lipid metabolism, oxidation, and signaling pathways.
• Nutraceutical Development: Serves as a key ingredient or precursor for advanced dietary supplements targeting metabolic health.
• Organic Synthesis: A valuable building block for creating conjugated fatty acid derivatives, polymers, and specialty surfactants.
• Cosmetic Science: Utilized in R&D for developing innovative skincare actives with targeted benefits.
• Material Science: Investigated as a monomer or modifier for producing bio-based polymers and functional materials.

Basic Information

Product Name	(9E,11E,13E)-9,11,13-Octadecatrienoic Acid
CAS No.	544-73-0
Molecular Formula	C₁₈H₃₀O₂
Molecular Weight	278.43 g/mol
Synonyms	Calendic Acid (all-trans isomer); (9E,11E,13E)-Octadeca-9,11,13-trienoic Acid; trans,trans,trans-Calendic Acid; 9,11,13-Octadecatrienoic Acid, (9E,11E,13E)-; C18:3 (9E,11E,13E); all-trans-Calendic Acid; (E,E,E)-9,11,13-Octadecatrienoic Acid
EINECS	208-875-2

Quality Control

Our (9E,11E,13E)-9,11,13-Octadecatrienoic Acid is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and isomer confirmation, GC for residual solvents, and identity verification by FTIR and NMR. We provide full traceability and Certificates of Analysis (COA) are available for every shipment to ensure compliance with your research or production specifications.

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. For long-term storage, keep the sealed container in a freezer at -20°C or below. The container should be kept in a cool, dry, and well-ventilated area away from heat and ignition sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Isomeric Purity (HPLC)	≥ 95.0% (all-trans isomer)
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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