Description

5α-Cholestan-3β-Ol Benzoate is a high-purity sterol derivative, specifically the benzoate ester of 5α-cholestan-3β-ol. This compound serves as a critical reference standard and a versatile synthetic intermediate in advanced organic and pharmaceutical chemistry. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, life sciences, and fine chemical sectors for method development, analytical calibration, and the synthesis of more complex steroid-based molecules.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity assessment, and quantification of related steroidal compounds in analytical methods like HPLC and GC.
• Biochemical Research: Employed in studies of lipid metabolism, membrane biophysics, and as a probe for understanding sterol-protein interactions.
• Organic Synthesis Intermediate: Serves as a protected or derivatized form of dihydrocholesterol for the synthesis of novel steroid analogs and labeled compounds.
• Analytical Chemistry: Acts as an internal standard or calibration marker in chromatographic assays for sterol analysis in various matrices.
• Material Science Research: Investigated for its potential in liquid crystal formulations and other advanced organic materials due to its rigid steroid backbone.

Basic Information

Product Name	5α-Cholestan-3β-Ol Benzoate
CAS No.	5808-11-7
Molecular Formula	C₃₄H₅₂O₂
Molecular Weight	492.78 g/mol
Synonyms	5α-Cholestan-3β-ol benzoate; Cholestanol benzoate; Dihydrocholesterol benzoate; 3β-Benzoyloxy-5α-cholestane; Stigmastanol benzoate (related); NSC 83608; 5α-Cholestan-3β-yl benzoate
EINECS	Contact for details

Quality Control

Every batch of 5α-Cholestan-3β-Ol Benzoate is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency, meeting the exacting requirements for research and development. A detailed Certificate of Analysis (COA) specifying purity by HPLC, identification by spectroscopic methods (IR, NMR), and related substance profiles is available for each lot upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere to minimize oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Melting Point	Specified range available
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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