Description

5A-Pregnan-20A-Ol-3-One is a high-purity steroid derivative, specifically a pregnane-based compound, that serves as a critical intermediate in advanced organic synthesis. Its defined stereochemistry and functional groups make it a valuable building block for pharmaceutical research and development. This compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors who require reliable, high-quality intermediates for producing active pharmaceutical ingredients (APIs) and other complex molecules.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the multi-step synthesis of steroidal drugs and hormones.
• Biochemical Research: Used as a reference standard or precursor in metabolic pathway studies and steroid receptor research.
• Fine Chemical Synthesis: Employed in the preparation of complex organic molecules requiring specific pregnane skeleton modifications.
• API Development: Serves as a crucial building block in the research and development of new active pharmaceutical ingredients.
• Process Chemistry: Utilized in process development and scale-up for the commercial manufacturing of steroid-based compounds.

Basic Information

Product Name	5A-Pregnan-20A-Ol-3-One
CAS No.	516-59-6
Molecular Formula	C21H34O2
Molecular Weight	318.50 g/mol
Synonyms	20α-Hydroxy-5α-pregnan-3-one; 5α-Pregnan-3-one-20α-ol; 20α-Hydroxy-5α-pregnane-3-one; Allopregnan-20α-ol-3-one; 5α-Pregnane-3,20-diol-3-one (tautomeric form); NSC 121773; Pregnane derivative 516-59-6
EINECS	Contact for details

Quality Control

Our 5A-Pregnan-20A-Ol-3-One is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and identification by spectroscopic methods. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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