Description

(20R)-5α-Cholest-9(11)-Ene-3β,6α,20-Triol 3,6-Diacetate is a high-purity, semi-synthetic steroidal intermediate derived from cholesterol. This compound is valued for its defined stereochemistry and functional groups, which make it a critical precursor in advanced pharmaceutical synthesis and biochemical research. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, biotechnology, and fine chemical sectors for the development of novel therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: Key starting material or building block for the synthesis of complex steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies, enzyme inhibition assays, and receptor binding research.
• Process Chemistry: Serves as a chiral template or intermediate in the development and scale-up of stereoselective synthetic routes.
• Fine Chemical Synthesis: Employed in the preparation of specialized steroidal derivatives for academic and industrial research applications.
• Reference Standard: Utilized in analytical laboratories for method development, validation, and quality control of related steroidal compounds.

Basic Information

Product Name	(20R)-5α-Cholest-9(11)-Ene-3β,6α,20-Triol 3,6-Diacetate
CAS No.	56312-51-7
Molecular Formula	C₃₁H₅₂O₆
Molecular Weight	520.74 g/mol
Synonyms	5α-Cholest-9(11)-ene-3β,6α,20-triol, 3,6-diacetate, (20R)-; 3β,6α-Diacetoxy-20R-hydroxycholest-9(11)-ene; 20R-Hydroxycholesterol 3,6-diacetate derivative; Cholest-9(11)-ene-3β,6α,20R-triol 3,6-diacetate; (20R)-3β,6α-Diacetoxycholest-9(11)-en-20-ol
EINECS	Contact for details

Quality Control

Every batch of (20R)-5α-Cholest-9(11)-Ene-3β,6α,20-Triol 3,6-Diacetate is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for research and pharmaceutical intermediates. Comprehensive analytical testing, including HPLC, NMR, and MS, is performed to confirm identity, purity, and consistency. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Solvent Residues (GC)	Complies with ICH guidelines

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