Description

Cholestan-7-One, Cyclic 1,2-Ethanediyl Acetal, (5Alpha)- is a high-purity steroidal intermediate, specifically a protected ketone derivative of cholestane. This compound is valued for its role as a key synthetic building block in the research and development of complex organic molecules, particularly in pharmaceutical chemistry. It is primarily utilized by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in steroid synthesis and advanced organic synthesis projects.

Application

• Pharmaceutical Intermediate: A crucial precursor in the multi-step synthesis of novel steroid-based therapeutics and active pharmaceutical ingredients (APIs).
• Organic Synthesis Building Block: Used in research to construct complex molecular architectures, leveraging the protected ketone functionality for selective reactions.
• Biochemical Research: Serves as a standard or reference compound in metabolic pathway studies and steroid hormone research.
• Fine Chemical Production: Employed in the manufacture of specialized, high-value chemicals for academic and industrial applications.

Basic Information

Product Name	Cholestan-7-One, Cyclic 1,2-Ethanediyl Acetal, (5Alpha)-
CAS No.	54498-52-1
Molecular Formula	C29H48O2
Molecular Weight	428.70 g/mol
Synonyms	5α-Cholestan-7-one ethylene acetal; (5α)-Cholestan-7-one cyclic 1,2-ethanediyl acetal; 7,7-Ethylenedioxy-5α-cholestane; Cholestane-7,7-ethylenedioxy, (5α)-; Steroid C7-ketone ethylene ketal
EINECS	Contact for details

Quality Control

Our Cholestan-7-One, Cyclic 1,2-Ethanediyl Acetal, (5Alpha)- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing including HPLC, NMR, and IR spectroscopy to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are available upon request 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). Keep away from strong acids and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (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.