Description

(9E,11E,13E,15E)-Parinaric Acid is a naturally occurring, conjugated polyunsaturated fatty acid with unique spectroscopic properties. This compound is highly valued as a sensitive fluorescent probe for studying lipid membranes, phase transitions, and oxidative stress due to its distinctive spectral shifts. It is essential for researchers and manufacturers in the life sciences, particularly in biochemistry, biophysics, and pharmaceutical development, where precise membrane dynamics analysis is required.

Application

• Fluorescent Membrane Probe: Used extensively in biophysical research to label and study the structure, fluidity, and phase behavior of lipid bilayers and biological membranes.
• Lipid Peroxidation Studies: Serves as a sensitive intrinsic reporter for monitoring free radical damage and oxidative stress in lipid systems.
• Biochemical Research Reagent: Employed in the investigation of protein-lipid interactions, membrane protein incorporation, and vesicle fusion kinetics.
• Pharmaceutical Development: Utilized in formulation studies to understand the interaction of drug candidates with lipid-based delivery systems like liposomes.
• Diagnostic Assay Development: Acts as a key component in developing fluorescence-based assays for antioxidant activity and lipid metabolism.
• Material Science: Applied in the development of advanced biomimetic materials and sensors that incorporate lipid membrane properties.

Basic Information

Product Name	(9E,11E,13E,15E)-Parinaric Acid
CAS No.	18841-21-9
Molecular Formula	C₁₈H₂₈O₂
Molecular Weight	276.41 g/mol
Synonyms	Parinaric Acid; all-trans-Parinaric Acid; (9E,11E,13E,15E)-Octadecatetraenoic Acid; 9,11,13,15-Octadecatetraenoic Acid, (all-E)-; trans,trans,trans,trans-9,11,13,15-Octadecatetraenoic Acid; Fluorescent Fatty Acid; C18:4 (9E,11E,13E,15E)
EINECS	242-609-8

Quality Control

Our (9E,11E,13E,15E)-Parinaric Acid is produced under stringent quality management systems to ensure high purity and batch-to-batch consistency, critical for sensitive research applications. Each lot is characterized by advanced analytical techniques including HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing purity, isomeric composition, and spectroscopic properties 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. The product is light-sensitive and easily oxidized; allow it to reach room temperature in a desiccator before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	White to pale yellow crystalline solid
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Isomeric Purity (all-trans)	≥ 95.0%
Melting Point	85 - 88 °C
UV-Vis Spectrum	Characteristic absorption maxima conforming
Solubility	Soluble in ethanol, DMSO; slightly soluble in hexane

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