Description

Trimethyl[(4α-Methyl-5α-Cholesta-8,24-Dien-3β-Yl)Oxy]Silane is a high-purity organosilicon derivative of a steroidal structure. This compound is a critical intermediate in the synthesis of advanced pharmaceutical agents and fine chemicals, valued for its role in introducing silyl protecting groups. It is primarily sought by research institutions and manufacturers in the pharmaceutical, biotechnology, and specialty chemical sectors for developing novel therapeutic compounds and complex organic molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of steroidal drugs and hormone analogs.
• Organic Synthesis Reagent: Used as a silylating agent to protect hydroxyl groups during complex multi-step synthesis.
• Biochemical Research: Employed in the study of sterol metabolism and the development of enzyme inhibitors.
• Fine Chemical Production: Serves as a precursor for creating specialized surfactants and liquid crystal materials.
• Reference Standard: Used as an analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	Trimethyl[(4α-Methyl-5α-Cholesta-8,24-Dien-3β-Yl)Oxy]Silane
CAS No.	55429-69-1
Molecular Formula	C33H58OSi
Molecular Weight	498.90 g/mol
Synonyms	Cholesta-8,24-dien-3-ol, 4-methyl-, 3-(trimethylsilyl) ether, (3β,4α,5α)-; (3β,4α,5α)-4-Methylcholesta-8,24-dien-3-yl Trimethylsilyl Ether; 3β-Trimethylsilyloxy-4α-methyl-5α-cholesta-8,24-diene; 4α-Methyl-5α-cholest-8,24-dien-3β-yloxytrimethylsilane; TMS Ether of 4α-Methyl-5α-cholesta-8,24-dien-3β-ol; Trimethylsilyl 4α-methyl-5α-cholesta-8,24-dien-3β-yl ether
EINECS	Contact for details

Quality Control

Our Trimethyl[(4α-Methyl-5α-Cholesta-8,24-Dien-3β-Yl)Oxy]Silane is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 0.5%

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