Description

5-Cholesten-3-One is a high-purity steroidal ketone of significant interest in advanced organic synthesis and biochemical research. This compound serves as a critical intermediate for the preparation of various steroid derivatives and vitamin D analogs, valued for its defined molecular structure and reactivity. It is essential for researchers and manufacturers in the pharmaceutical, fine chemical, and life science sectors who require a reliable building block for complex molecule development.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the synthesis of steroid-based active pharmaceutical ingredients (APIs) and vitamin D metabolites.
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and sterol biosynthesis research.
• Fine Chemical Synthesis: Employed in the production of specialized steroidal compounds for agrochemicals, materials science, and other high-value applications.
• Academic & Industrial R&D: Serves as a versatile scaffold for medicinal chemistry programs and the development of novel therapeutic agents.

Basic Information

Product Name	5-Cholesten-3-One
CAS No.	601-54-7
Molecular Formula	C27H44O
Molecular Weight	384.64 g/mol
Synonyms	Cholest-5-en-3-one; 3-Oxocholest-5-ene; δ5-Cholesten-3-one; 5-Cholesten-3β-ol-3-one (obsolete); Cholestenone; NSC 8798
EINECS	210-000-9

Quality Control

Our 5-Cholesten-3-One is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment 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). This product is hygroscopic (moisture-sensitive) and light-sensitive; appropriate handling procedures should be followed to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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