Description

Cholestanol Acetate is a high-purity sterol derivative, specifically the 3β-acetate ester of 5α-cholestan-3β-ol. This compound serves as a critical intermediate and reference standard in advanced organic synthesis and analytical research. It is primarily utilized by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic institutions working on steroid chemistry, lipid metabolism, and the development of novel bioactive molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of complex steroid-based active pharmaceutical ingredients (APIs) and drug candidates.
• Analytical Reference Standard: Used for method development, calibration, and quantification in chromatographic analyses (HPLC, GC) for sterol research and quality control.
• Biochemical Research: Employed in studies of cholesterol biosynthesis pathways, metabolic disorders, and membrane biology as a stable analog.
• Fine Chemical Synthesis: Valuable precursor for creating specialized sterol derivatives, liquid crystals, and other high-value chemical products.
• Nutritional & Cosmetic Science: Investigated for potential applications in the research and development of novel nutraceuticals and cosmetic actives.

Basic Information

Product Name	Cholestanol Acetate
CAS No.	1255-88-5
Molecular Formula	C₂₉H₅₀O₂
Molecular Weight	428.71 g/mol
Synonyms	5α-Cholestan-3β-ol Acetate; Cholestanyl Acetate; Dihydrocholesterol Acetate; 3β-Acetoxy-5α-cholestane; Stigmastanol Acetate (related); NSC 8366; Coprostanol Acetate (isomer)
EINECS	215-000-9

Quality Control

Our Cholestanol Acetate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and specific tests for residual solvents and related substances. We provide full traceability and Certificates of Analysis (COA) are available for every shipment to ensure compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	110°C - 114°C
Loss on Drying	≤ 0.5%
Specific Rotation	Contact for details
Heavy Metals	< 20 ppm

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