Description

5,6,8,9-Tetrakis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester is a high-purity, organosilicon-modified fatty acid ester derivative, serving as a critical advanced intermediate in sophisticated organic synthesis. Its value lies in the strategic protection of multiple hydroxyl groups via trimethylsilyl (TMS) ethers, enabling precise, multi-step chemical transformations under controlled conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors who require protected intermediates for the development of complex bioactive molecules and novel materials.

Application

• Advanced Pharmaceutical Intermediate: Used in the multi-step synthesis of complex drug candidates, particularly where selective deprotection of silyl groups is required.
• Agrochemical Synthesis: Serves as a key building block for creating novel, high-performance active ingredients with tailored properties.
• Specialty Polymer & Material Science: Employed in the research and development of functionalized polymers, coatings, and advanced materials with specific surface or bulk characteristics.
• Organic Synthesis & Process Chemistry: A versatile protected intermediate for academic and industrial research, facilitating complex molecular construction.
• Lubricant & Additive Precursor: Potential use in synthesizing specialized silicon-containing ester derivatives for high-performance lubricant formulations.

Basic Information

Product Name	5,6,8,9-Tetrakis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester
CAS No.	35437-02-6
Molecular Formula	C34H74O6Si4
Molecular Weight	695.31 g/mol
Synonyms	Methyl 5,6,8,9-tetrakis(trimethylsilyloxy)octadecanoate; Octadecanoic acid, 5,6,8,9-tetrakis[(trimethylsilyl)oxy]-, methyl ester; Methyl 5,6,8,9-tetra-O-(trimethylsilyl)octadecanoate; TMSO-protected methyl stearate derivative; Per-TMS methyl stearate; 5,6,8,9-Tetra(trimethylsiloxy)stearic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 5,6,8,9-Tetrakis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC, GC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all critical parameters are provided with every shipment. We support customer audits and can tailor specifications to meet specific research or cGMP-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC/GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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