Description

Cholesteryl Arachidate CAS NO 2573-03-7 is a high-purity, synthetic cholesterol ester derived from arachidic acid, serving as a critical reference standard and biochemical building block. Its defined structure and purity are essential for research and development in advanced material science and life sciences. This compound is particularly valuable for pharmaceutical R&D, lipidomics, and the formulation of specialized liquid crystal and membrane model systems where precise molecular architecture is required.

Application

• Pharmaceutical Reference Standard: Used as a certified standard for analytical method development, validation, and quality control in drug substance and lipid-based formulation analysis.
• Biochemical Research: Employed in lipidomics studies, membrane biophysics research, and as a substrate or intermediate in the investigation of lipid metabolism and enzyme activity.
• Advanced Material Science: Acts as a precursor or dopant in the development of specialty liquid crystals, organic semiconductors, and nanostructured materials.
• Cosmetic & Dermatological Formulations: Utilized in high-end skincare and cosmetic products as an emollient and stabilizer, leveraging its biomimetic properties for enhanced skin compatibility.
• Academic & Industrial R&D: Serves as a key reagent in synthetic organic chemistry for the preparation of more complex sterol derivatives and functional materials.

Basic Information

Product Name	Cholesteryl Arachidate
CAS No.	2573-03-7
Molecular Formula	C47H84O2
Molecular Weight	681.18 g/mol
Synonyms	Cholest-5-en-3β-yl Icosanoate; 5-Cholesten-3β-ol 3-Icosanoate; Cholesterol Arachidate; Arachidic Acid Cholesterol Ester; Cholesteryl Eicosanoate; 3β-Hydroxycholest-5-ene 3-Icosanoate; Cholesterol, 3-Icosanoate
EINECS	219-925-9

Quality Control

Every batch of Cholesteryl Arachidate is manufactured under strict quality management protocols. We employ advanced analytical techniques including HPLC, GC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. For long-term stability, store at 2-8°C under an inert atmosphere (e.g., nitrogen or argon) to minimize oxidation. The container should be kept in a cool, dry, and well-ventilated area away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	90 - 94 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 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.