Description

3,17β-Bis(Trimethylsiloxy)Androsta-3,5-Diene is a key silyl-protected steroid intermediate, specifically designed for advanced organic synthesis. This compound is valued for its role in facilitating complex chemical transformations by protecting reactive hydroxyl groups, thereby enabling selective reactions in multi-step synthetic pathways. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of novel steroid-based therapeutics and fine chemical products.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel steroid drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial R&D laboratories for exploring new synthetic routes and studying steroid chemistry.
• Fine Chemical Synthesis: Serves as a protected intermediate in the production of high-value, complex organic molecules.
• Process Chemistry: Employed in scale-up and optimization of synthetic processes for steroid derivatives in pilot plants and manufacturing.

Basic Information

Product Name	3,17β-Bis(Trimethylsiloxy)Androsta-3,5-Diene
CAS No.	25495-26-5
Molecular Formula	C25H44O2Si2
Molecular Weight	432.80 g/mol
Synonyms	Androsta-3,5-diene-3,17-diol, bis(trimethylsilyl) ether; 3,17β-Bis-O-(trimethylsilyl)androsta-3,5-diene; 3,17β-Bis(trimethylsiloxy)androsta-3,5-diene; 3,17β-Bis(trimethylsilyloxy)androsta-3,5-diene; Androsta-3,5-diene-3β,17β-diol bis(trimethylsilyl) ether; 3β,17β-Bis(trimethylsiloxy)androsta-3,5-diene
EINECS	Contact for details

Quality Control

Our 3,17β-Bis(Trimethylsiloxy)Androsta-3,5-Diene is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and pharmaceutical applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 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.