Description

2-(1-Methylethenyl)-5α-Cholestan-3-One Ethylene Acetal is a high-purity, advanced steroidal intermediate characterized by its specific ethylene acetal-protected ketone functionality. This compound is of significant value in organic synthesis for its role as a versatile building block in the preparation of complex steroid derivatives and other bioactive molecules. It is primarily required by research institutions and pharmaceutical development laboratories engaged in the synthesis of novel therapeutic agents, hormone analogs, and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of novel steroid-based pharmaceuticals and hormone therapies.
• Organic Synthesis Building Block: Utilized in complex multi-step organic syntheses to introduce the steroidal core structure with a protected ketone group.
• Biochemical Research: Employed in academic and industrial research to study steroid metabolism, receptor interactions, and to create labeled analogs for tracing studies.
• Fine Chemical Production: Serves as a starting material for the manufacture of specialized fine chemicals and high-value steroidal compounds.
• Reference Standard: Used as a certified reference material (CRM) or analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	2-(1-Methylethenyl)-5α-Cholestan-3-One Ethylene Acetal
CAS No.	54498-62-3
Molecular Formula	C₃₂H₅₄O₂
Molecular Weight	470.78 g/mol
Synonyms	5α-Cholestan-3-one, 2-(1-methylethenyl)-, ethylene acetal; 2-Isopropenyl-5α-cholestan-3-one ethylene ketal; 2-(1-Methylethenyl)cholestan-3-one ethylene acetal; Cholestane derivative (54498-62-3); Steroid intermediate Ketal; 3,3-Ethylenedioxy-2-isopropenyl-5α-cholestane
EINECS	Contact for details

Quality Control

Our 2-(1-Methylethenyl)-5α-Cholestan-3-One Ethylene Acetal is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR), to ensure it meets exacting research and pharmaceutical-grade standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Specification available upon request
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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