Description

(20S)-5β-Pregnane-3α,11β,20-Triol CAS NO 6799-20-8 is a high-purity steroid derivative, specifically a trihydroxy pregnane. This compound serves as a critical reference standard and a valuable pharmaceutical intermediate in advanced research and synthesis. It is essential for laboratories and manufacturers in the pharmaceutical, biochemical research, and steroid chemistry sectors who require precise and reliable building blocks for complex molecular development.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of related steroid compounds in method development and quality control.
• Biochemical Research: Serves as a key intermediate or metabolite analog in studies of steroid hormone pathways and receptor interactions.
• Organic Synthesis: Acts as a sophisticated chiral starting material or precursor for the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs).
• Analytical Chemistry: Employed as a calibration standard in chromatographic (HPLC, GC) and spectroscopic methods to ensure analytical accuracy.
• Metabolite Studies: Utilized in pharmacological and toxicological research to investigate the metabolic fate of related pregnane steroids.

Basic Information

Product Name	(20S)-5β-Pregnane-3α,11β,20-Triol
CAS No.	6799-20-8
Molecular Formula	C21H36O3
Molecular Weight	336.51 g/mol
Synonyms	5β-Pregnane-3α,11β,20-triol, (20S)-; 3α,11β,20-Trihydroxy-5β-pregnane; 20(S)-5β-Pregnane-3α,11β,20-triol; 5β-Pregnan-3α,11β,20(S)-triol; 3α,11β,20S-Trihydroxy-5β-pregnane; 20S-Hydroxy Reichstein's Substance G; 11β,20(S)-Dihydroxy-3α-hydroxy-5β-pregnane
EINECS	Contact for details

Quality Control

Our (20S)-5β-Pregnane-3α,11β,20-Triol is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure it meets exacting standards for research and synthesis. A detailed Certificate of Analysis (COA) documenting identity, purity, and specific test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). This product is light-sensitive; prolonged exposure to light should be avoided 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.