Description

8,9,15,16-Tetrakis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester is a high-purity, derivatized fatty acid ester characterized by its multiple trimethylsilyloxy protecting groups. This compound is a critical intermediate in advanced organic synthesis, particularly valued for its role in the preparation of complex lipids and as a building block for specialty polymers and surfactants. It is essential for research and development laboratories in the pharmaceutical, agrochemical, and advanced materials sectors seeking to create novel compounds with specific functional properties.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of complex lipid-based drug candidates and prodrugs.
• Advanced Material Precursor: Used in the development of specialty polymers, coatings, and surfactants with tailored surface properties.
• Analytical Chemistry Standard: Acts as a reference standard or derivatization agent in gas chromatography (GC) and mass spectrometry (MS) for fatty acid analysis.
• Agrochemical Research: Employed as an intermediate in the synthesis of novel, biologically active compounds for crop protection.
• Chemical Synthesis Building Block: Provides a protected polyol functionality for multi-step organic synthesis in academic and industrial R&D.
• Cosmetic Ingredient Research: Investigated for use in high-end skincare formulations requiring specific ester compounds.

Basic Information

Item	Detail
Product Name	8,9,15,16-Tetrakis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester
CAS No.	35508-17-9
Molecular Formula	C34H74O6Si4
Molecular Weight	707.31 g/mol
Synonyms	Methyl 8,9,15,16-Tetrakis-O-(trimethylsilyl)octadecanoate; Octadecanoic acid, 8,9,15,16-tetrakis[(trimethylsilyl)oxy]-, methyl ester; Methyl 8,9,15,16-tetrakis(trimethylsiloxy)stearate; TMSO-protected methyl stearate derivative; 8,9,15,16-Tetrakis(trimethylsiloxy)stearic acid methyl ester
EINECS	Contact for details

Quality Control

Our 8,9,15,16-Tetrakis[(Trimethylsilyl)Oxy]Octadecanoic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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