Description

3β,6β-Bis(Trimethylsiloxy)-5β-Cholestane is a high-purity, organosilicon-modified sterol derivative. This compound is a key synthetic intermediate valued for its role in the preparation of more complex steroid analogs and vitamin D metabolites. It is primarily utilized by research institutions and pharmaceutical companies engaged in advanced steroid chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Vitamin D Research: Used in the synthetic pathways for creating vitamin D analogs and metabolites for biological and clinical studies.
• Steroid Chemistry: Serves as a protected or modified sterol precursor for exploring new steroid structures with potential biological activity.
• Biochemical Research: Employed in academic and industrial laboratories to study sterol metabolism, receptor interactions, and signaling pathways.
• Reference Standard: Can be supplied as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	3β,6β-Bis(Trimethylsiloxy)-5β-Cholestane
CAS No.	33403-38-2
Molecular Formula	C33H62O2Si2
Molecular Weight	547.0 g/mol
Synonyms	5β-Cholestane-3β,6β-diol, 3β,6β-bis(trimethylsilyl) ether; 3β,6β-Bis-O-(trimethylsilyl)-5β-cholestane; 5β-Cholestane-3β,6β-diyl bis(trimethylsilyl) ether; Cholestane-3β,6β-diol bis(trimethylsilyl) ether; 3β,6β-Di(trimethylsiloxy)-5β-cholestane; 3β,6β-Bis(trimethylsilyloxy)-5β-cholestane
EINECS	Contact for details

Quality Control

Our 3β,6β-Bis(Trimethylsiloxy)-5β-Cholestane is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The compound is moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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