Description

5-β-Pregnane-3-Alpha,11-Alpha,20-β-Triol is a high-purity steroid derivative and a key intermediate in organic synthesis. This compound is valued for its defined stereochemistry and structural framework, which is crucial for the research and development of novel pharmaceutical agents and biochemical probes. It is primarily utilized by research institutions and pharmaceutical companies engaged in steroid chemistry, metabolic pathway studies, and the synthesis of specialized reference standards.

Application

• Pharmaceutical Intermediate: A critical building block in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs) and drug candidates.
• Biochemical Research: Used as a reference standard or precursor in metabolic studies, enzyme inhibition assays, and investigations into steroid hormone pathways.
• Reference Material: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories (HPLC, GC-MS).
• Organic Synthesis: Employed as a chiral starting material or intermediate for the preparation of more complex, functionally diverse steroid analogs.

Basic Information

Product Name	5-β-Pregnane-3-Alpha,11-Alpha,20-β-Triol
CAS No.	55647-22-8
Molecular Formula	C21H36O3
Molecular Weight	336.51 g/mol
Synonyms	5β-Pregnane-3α,11α,20β-triol; (3α,5β,11α,20β)-Pregnane-3,11,20-triol; 3α,11α,20β-Trihydroxy-5β-pregnane; 20β-Hydroxy-11α-hydroxypregnan-3α-ol; 5β-Pregnan-3α,11α,20β-triol; 11α,20β-Dihydroxypregnan-3α-ol
EINECS	Contact for details

Quality Control

Our 5-β-Pregnane-3-Alpha,11-Alpha,20-β-Triol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including identification (IR, NMR), purity assay (HPLC), and impurity profiling, to ensure it meets stringent specifications for research and synthesis. 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 light-sensitive and should be handled accordingly 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
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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