Description

Stigmast-5-En-3β-Yl (Trimethylsilyl) Ether is a high-purity sterol derivative, specifically a trimethylsilyl (TMS) ether of stigmasterol. This compound is a critical intermediate and analytical standard in the research and development of pharmaceuticals, nutraceuticals, and advanced organic synthesis. It is primarily utilized by research scientists and process chemists in the pharmaceutical, biotechnology, and fine chemical industries for applications requiring precise chemical modification and characterization of sterol compounds.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the development of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Analytical Reference Standard: Used in Gas Chromatography (GC) and Gas Chromatography-Mass Spectrometry (GC-MS) for the identification and quantification of sterols and their derivatives in complex matrices.
• Derivatization Agent in Analysis: Employed to increase the volatility and thermal stability of sterols for accurate chromatographic analysis.
• Biochemical Research: Serves as a tool compound in metabolic pathway studies, membrane research, and investigations into plant sterol biochemistry.
• Fine Chemical Synthesis: Acts as a protected intermediate in multi-step organic synthesis for producing specialized sterol analogs and high-value chemical entities.
• Nutraceutical Development: Used in research focused on the modification and enhancement of bioactive plant sterols for health supplements.

Basic Information

Product Name	Stigmast-5-En-3β-Yl (Trimethylsilyl) Ether
CAS No.	2625-46-9
Molecular Formula	C32H58OSi
Molecular Weight	486.89 g/mol
Synonyms	Stigmasterol Trimethylsilyl Ether; Stigmasterol TMS Ether; 3β-[(Trimethylsilyl)oxy]stigmast-5-ene; (3β)-Stigmast-5-en-3-ol Trimethylsilyl Ether; 5-Stigmasten-3β-ol Trimethylsilyl Ether; Stigmasterol, 3-(trimethylsilyl) Ether; Stigmasterol Silyl Ether; NSC 122047
EINECS	220-088-8

Quality Control

Our Stigmast-5-En-3β-Yl (Trimethylsilyl) Ether is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and structural identity. Certificates of Analysis (COA) detailing all specifications are provided to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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