Description

Allopregnane-3B,11B,17Alpha,20B-21-Pentol is a high-purity steroid derivative and a key synthetic intermediate in advanced pharmaceutical research and development. This compound is valued for its specific stereochemistry, which makes it a crucial building block for synthesizing complex bioactive molecules. It is primarily sought by research institutions and pharmaceutical companies engaged in the development of novel steroid-based therapeutics and reference standards.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of specialized corticosteroids and other therapeutic steroid compounds.
• Biochemical Research: Used as a reference standard or starting material in metabolic pathway studies and enzyme interaction research.
• Hormone Analog Development: Serves as a core structure for the research and development of novel hormone analogs with targeted activity.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and exploratory synthetic chemistry.
• Analytical Standard: Utilized in analytical laboratories for method validation, calibration, and quality control testing of related substances.

Basic Information

Product Name	Allopregnane-3B,11B,17Alpha,20B-21-Pentol
CAS No.	516-39-2
Molecular Formula	C21H36O5
Molecular Weight	368.51 g/mol
Synonyms	3β,11β,17α,20β,21-Pentahydroxypregnane; 3β,11β,17α,20β,21-Pentahydroxy-5α-pregnane; 5α-Pregnane-3β,11β,17α,20β,21-pentol; 21-Hydroxy-3β,11β,17α,20β-tetrahydroxy-5α-pregnane; Allopregnanpentol
EINECS	Contact for details

Quality Control

Our Allopregnane-3B,11B,17Alpha,20B-21-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 development. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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