Description

Cholesteryl Stearate is a high-purity organic compound formed by the esterification of cholesterol and stearic acid. This compound is valued for its role as a key intermediate and functional additive in advanced material science and life science research. It is primarily sought by manufacturers and researchers in the pharmaceutical, cosmetic, and specialty chemical industries for its unique lipid-based properties.

Application

• Pharmaceutical Excipient: Used in the formulation of liposomes, solid lipid nanoparticles (SLNs), and other drug delivery systems to enhance stability and control release profiles.
• Cosmetic Ingredient: Acts as an emollient, stabilizer, and texture enhancer in creams, lotions, and lipsticks.
• Biomedical Research: Serves as a standard or model compound in lipid metabolism studies, membrane biophysics research, and analytical method development.
• Liquid Crystal & Display Technology: Utilized as a component in cholesteric liquid crystal mixtures for optical films and display applications.
• Chemical Synthesis: Functions as a versatile building block or protecting group in organic synthesis for sterol derivatives.

Basic Information

Product Name	Cholesteryl Stearate
CAS No.	1184-05-0
Molecular Formula	C45H80O2
Molecular Weight	653.12 g/mol
Synonyms	Cholest-5-en-3β-ol 3-stearate; Cholesterol stearate; Stearic acid cholesteryl ester; 3β-Hydroxycholest-5-ene 3-stearate; NSC 122047
EINECS	214-664-6

Quality Control

Our Cholesteryl Stearate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets stringent specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be stored away from light. Avoid prolonged exposure to high humidity and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	82°C - 86°C
Loss on Drying	≤ 0.5%

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