Description

Cholesteryl Acetate is a high-purity, crystalline derivative of cholesterol, widely utilized as a critical intermediate and reference standard in advanced research and manufacturing. Its consistent quality and defined structure make it essential for applications demanding precise biochemical properties and reliable performance. This compound is particularly valuable for pharmaceutical development, life science research, and the production of specialty chemicals, serving industries focused on innovation and quality assurance.

Application

• Pharmaceutical Intermediate: A key starting material in the synthesis of steroid-based drugs, hormone analogs, and other active pharmaceutical ingredients (APIs).
• Biochemical Research & Reference Standard: Used as a standard in analytical methods like HPLC and GC for cholesterol metabolism studies, lipid analysis, and assay calibration.
• Liquid Crystal & Display Technology: Serves as a component in the formulation of cholesteric liquid crystals for optical devices and display screens.
• Cosmetic & Personal Care Formulations: Employed in the development of high-end skincare products, emollients, and stabilizers for creams and lotions.
• Nutritional Supplement & Food Science: Used in research related to vitamin D synthesis, fortification studies, and lipid-based nutrient delivery systems.
• Material Science & Polymer Additives: Acts as a plasticizer or modifying agent in specialized polymer blends to alter physical properties.

Basic Information

Product Name	Cholesteryl Acetate
CAS No.	604-35-3
Molecular Formula	C29H48O2
Molecular Weight	428.70 g/mol
Synonyms	Cholesterol acetate; 3β-Cholest-5-en-3-ol acetate; 5-Cholesten-3β-ol acetate; Cholest-5-en-3β-yl acetate; 3β-Hydroxycholest-5-ene 3-acetate; NSC 9257; Cholesterin acetate
EINECS	210-066-0

Quality Control

Our Cholesteryl Acetate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling via techniques such as HPLC, GC, and IR spectroscopy. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	114°C - 118°C
Loss on Drying	≤ 0.5%
Specific Rotation	-34° to -38° (c=2 in CHCl3)

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