Description

5,19-Cyclo-5β-Cholestan-3β-Ol Acetate is a high-purity, steroidal derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound serves as a critical chiral building block and intermediate for the development of novel therapeutic agents and complex molecular architectures. It is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require precise, high-quality intermediates for steroid-based drug discovery and process development.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or probe in metabolic pathway studies and receptor binding assays.
• Organic Synthesis: Serves as a versatile building block for constructing complex steroidal frameworks and natural product analogs.
• Process Chemistry: Employed in the development and scale-up of synthetic routes for high-value steroidal compounds.
• Academic Research: Utilized in universities and research institutes for exploring new chemical reactions and catalytic processes involving steroidal substrates.

Basic Information

Product Name	5,19-Cyclo-5β-Cholestan-3β-Ol Acetate
CAS No.	21072-75-3
Molecular Formula	C₂₉H₄₈O₂
Molecular Weight	428.70 g/mol
Synonyms	3β-Acetoxy-5,19-cyclo-5β-cholestane; 5,19-Cyclo-5β-cholestan-3β-yl acetate; 5β,19-Cyclocholestan-3β-ol acetate; (3β)-5,19-Cyclo-5β-cholestanyl acetate; 5,19-Cyclocholestan-3β-ol acetate; 5β,19-Cyclocholestan-3β-ol acetate; 5,19-Cyclo-5β-cholestan-3β-ol, acetate
EINECS	Contact for details

Quality Control

Our 5,19-Cyclo-5β-Cholestan-3β-Ol Acetate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our commitment to quality supports compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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