Description

5B-Cholestane-3A,7A,12A,23R,25-Pentol is a high-purity, polyhydroxylated sterol derivative, a key intermediate in the synthesis of complex bile acids and steroid hormones. Its precise stereochemistry makes it an invaluable reference standard and building block for pharmaceutical research and development. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors focusing on metabolic pathway studies and advanced steroid synthesis.

Application

• Pharmaceutical Intermediate: Critical building block for the synthesis of therapeutic bile acids and novel steroid-based pharmaceuticals.
• Biochemical Research: Used as a reference standard and precursor in studies of cholesterol metabolism, liver function, and bile acid biosynthesis pathways.
• Analytical Standard: Serves as a high-purity calibrant and internal standard in HPLC, LC-MS, and GC-MS analysis for quantitative assays.
• Fine Chemical Synthesis: A versatile chiral starting material for the preparation of other specialized steroidal compounds with multiple hydroxyl functionalities.
• Metabolite Studies: Employed in the investigation of metabolic disorders and the development of diagnostic markers related to sterol metabolism.

Basic Information

Item	Detail
Product Name	5B-Cholestane-3A,7A,12A,23R,25-Pentol
CAS No.	59906-14-8
Molecular Formula	C27H48O5
Molecular Weight	452.67 g/mol
Synonyms	5β-Cholestane-3α,7α,12α,23R,25-pentol; (23R,25)-5β-Cholestane-3α,7α,12α,23,25-pentol; 23R,25-Dihydroxycholic acid precursor; 3α,7α,12α,23R,25-Pentahydroxy-5β-cholestane; Cholestanepentol derivative
EINECS	Contact for details

Quality Control

Our 5B-Cholestane-3A,7A,12A,23R,25-Pentol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Specific Rotation	Contact for details
Heavy Metals	< 10 ppm

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