Description

Cholesteryl Isostearate is a high-purity, synthetic cholesterol ester derived from isostearic acid. This compound is valued for its excellent emollient properties and compatibility with biological systems, making it a crucial functional ingredient in advanced formulations. It is primarily sought after by manufacturers in the pharmaceutical, high-end cosmetic, and nutraceutical industries for its stabilizing and delivery-enhancing capabilities.

Application

• Pharmaceutical Excipient: Used as a stabilizer and solubilizing agent in lipid-based drug delivery systems, including liposomes and nanoemulsions.
• Cosmetic & Personal Care: Serves as a premium emollient and texture enhancer in anti-aging creams, lotions, and sun care products.
• Nutraceutical Formulations: Employed as a carrier for fat-soluble vitamins (A, D, E, K) and other hydrophobic bioactive compounds.
• Biomedical Research: Utilized as a standard or model compound in lipid metabolism and membrane biophysics studies.
• Advanced Material Science: Acts as a precursor or additive in the development of liquid crystals and specialty polymers.

Basic Information

Product Name	Cholesteryl Isostearate
CAS No.	83615-24-1
Molecular Formula	C₄₅H₈₀O₂
Molecular Weight	653.1 g/mol
Synonyms	Cholest-5-en-3β-ol 3-isooctadecanoate; 5-Cholesten-3β-ol, 3-isooctadecanoate; Cholesterol isostearate; Isooctadecanoic acid cholesteryl ester; Isostearic acid cholesteryl ester
EINECS	Contact for details

Quality Control

Our Cholesteryl Isostearate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets stringent specifications for high-grade applications. Certificates of Analysis (COA) documenting HPLC purity, melting point, and specific optical rotation are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive (store away from light) and should be handled under an inert atmosphere when appropriate to prevent oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Specific Rotation	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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