Description

(24ξ)-3β-[(Trimethylsilyl)Oxy]-5α-Stigmast-7-Ene is a high-purity, steroidal derivative featuring a trimethylsilyl-protected hydroxyl group at the 3-beta position. This compound is a critical synthetic intermediate and reference standard for pharmaceutical research and fine chemical synthesis. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and advanced materials sectors for the development of novel therapeutic agents and specialized chemical entities.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroid-based drug candidates and active pharmaceutical ingredients (APIs).
• Reference Standard: Used for analytical method development, validation, and quality control in pharmaceutical laboratories.
• Biochemical Research: Employed in studies investigating sterol metabolism, enzyme inhibition, and receptor binding assays.
• Fine Chemical Synthesis: Serves as a protected precursor for the preparation of more complex, functionalized steroidal compounds.
• Academic Research: Utilized in universities and research institutes for organic chemistry and medicinal chemistry projects.

Basic Information

Product Name	(24ξ)-3β-[(Trimethylsilyl)Oxy]-5α-Stigmast-7-Ene
CAS No.	56248-34-1
Molecular Formula	C32H58OSi
Molecular Weight	486.89 g/mol
Synonyms	5α-Stigmast-7-en-3β-ol, 3-(trimethylsilyl) ether; (24ξ)-3β-[(Trimethylsilyl)oxy]-5α-stigmast-7-ene; 3β-Trimethylsilyloxy-5α-stigmast-7-ene; Stigmast-7-en-3-ol, 3-(trimethylsilyl) ether, (3β,5α,24ξ)-; 5α-Cholest-7-en-3β-ol, 3-(trimethylsilyl) ether (related core structure); TMS ether of 5α-stigmast-7-en-3β-ol
EINECS	Contact for details

Quality Control

Our (24ξ)-3β-[(Trimethylsilyl)Oxy]-5α-Stigmast-7-Ene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, documenting all critical quality attributes. Our quality commitment supports applications requiring GMP-grade intermediates and research standards.

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); ensure the container is sealed under an inert atmosphere (e.g., nitrogen or argon) after each use to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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