Description

3β,11β,17,21-Tetrakis(Trimethylsiloxy)Pregn-5-En-20-One o-Benzyl Oxime is a high-purity, advanced steroid intermediate featuring multiple trimethylsilyl (TMS) protecting groups. This compound is critical for enabling complex synthetic pathways in pharmaceutical research and development, offering precise control over molecular structure and reactivity. It is primarily utilized by R&D chemists and process development scientists in the fine chemical and pharmaceutical industries for the synthesis of novel steroid-based therapeutics and reference standards.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for exploring new synthetic routes and creating novel steroid derivatives for biological evaluation.
• Process Chemistry: Serves as a protected intermediate in scale-up and optimization studies for the production of target steroid molecules.
• Reference Standard: Can be utilized as a high-purity analytical standard for method development and quality control in steroid analysis.
• Fine Chemical Synthesis: Employed in the custom synthesis of specialized steroid compounds for various high-value applications.

Basic Information

Product Name	3β,11β,17,21-Tetrakis(Trimethylsiloxy)Pregn-5-En-20-One o-Benzyl Oxime
CAS No.	57326-03-1
Molecular Formula	C39H71NO5Si4
Molecular Weight	746.3 g/mol
Synonyms	3β,11β,17,21-Tetrakis(trimethylsiloxy)pregn-5-en-20-one O-benzyloxime; Pregn-5-ene-3,11,17,21-tetrol, 20-(O-benzyloxime), 3,11,17,21-tetrakis(trimethylsilyl) ether; 3β,11β,17α,21-Tetrakis(trimethylsiloxy)pregn-5-en-20-one O-benzyloxime; Steroid TMS Ether Oxime Derivative; 57326-03-1
EINECS	Contact for details

Quality Control

Our 3β,11β,17,21-Tetrakis(Trimethylsiloxy)Pregn-5-En-20-One o-Benzyl Oxime is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets exacting standards for research and process use. Certificates of Analysis (COA) with full traceability are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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