Description

3β-Trimethylsilyloxylanosta-7,9(11)-Diene is a high-purity, steroidal derivative featuring a strategically protected 3β-hydroxyl group, making it a critical advanced intermediate in organic synthesis. This compound is valued for its role in the targeted synthesis of complex lanostane-based molecules and other modified steroids. It is primarily utilized by research institutions and pharmaceutical development companies engaged in the creation of novel therapeutic agents and biochemical probes.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel steroid-based drug candidates and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a precursor in the study of sterol biosynthesis pathways and enzyme inhibition mechanisms.
• Organic Synthesis: Serves as a protected intermediate for the preparation of more complex, functionalized lanostane derivatives.
• Reference Standard: Employed as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	3β-Trimethylsilyloxylanosta-7,9(11)-Diene
CAS No.	55493-83-9
Molecular Formula	C33H56OSi
Molecular Weight	496.89 g/mol
Synonyms	Lanosta-7,9(11)-dien-3-ol, 3-(trimethylsilyl)oxy-, (3β)-; 3β-[(Trimethylsilyl)oxy]lanosta-7,9(11)-diene; (3β)-3-[(Trimethylsilyl)oxy]lanosta-7,9(11)-diene; 3-TMS-lanosta-7,9(11)-dien-3β-ol; TMS-protected lanostadienol
EINECS	Contact for details

Quality Control

Every batch of 3β-Trimethylsilyloxylanosta-7,9(11)-Diene is manufactured under strict quality management systems and undergoes comprehensive analytical testing. We ensure compliance with stringent internal specifications, which are designed to meet the exacting requirements of research and pharmaceutical development. A detailed Certificate of Analysis (COA) providing purity, identity, and impurity profile data is supplied with each shipment and is available upon request.

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) and must be kept under an inert atmosphere or in a desiccator after opening to prevent degradation.

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%

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