Description

4-Methoxybutyric Acid (Trimethylsilyl) Ester is a specialized organosilicon reagent widely used as a key protected intermediate in advanced organic synthesis. Its primary value lies in its role as a silylating agent and a protected form of 4-methoxybutyric acid, offering enhanced stability and reactivity for constructing complex molecular architectures. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries, particularly for the development of active pharmaceutical ingredients (APIs) and novel chemical entities.

Application

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Peptide & Nucleotide Synthesis: Used as a protecting group reagent for carboxylic acid functionalities during solid-phase and solution-phase synthesis.
• Agrochemical Development: Serves as a key intermediate in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Synthesis: Employed in the manufacture of specialty chemicals, flavors, fragrances, and advanced materials.
• Silicon Chemistry Research: A valuable reagent for studying silylation reactions and developing new organosilicon compounds.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in the synthesis of specialty polymers and silicones.

Basic Information

Item	Details
Product Name	4-Methoxybutyric Acid (Trimethylsilyl) Ester
CAS No.	21273-18-7
Molecular Formula	C8H18O3Si
Molecular Weight	190.31 g/mol
Synonyms	4-Methoxybutanoic Acid Trimethylsilyl Ester; Trimethylsilyl 4-Methoxybutyrate; 4-Methoxybutyric Acid TMS Ester; TMS 4-Methoxybutyrate; (Trimethylsilyl) 4-Methoxybutanoate; γ-Methoxybutyric Acid Trimethylsilyl Ester; Butanoic acid, 4-methoxy-, trimethylsilyl ester
EINECS	Contact for details

Quality Control

Every batch of 4-Methoxybutyric Acid (Trimethylsilyl) Ester is manufactured under strict quality management systems. We employ advanced analytical techniques including GC, HPLC, and NMR to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) when appropriate to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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