Description

12β-Hydroxy-5α-Androstan-17-One is a high-purity steroid intermediate of significant importance in advanced pharmaceutical synthesis. This compound serves as a critical building block for the development of specialized therapeutic agents and research chemicals. It is primarily required by pharmaceutical R&D laboratories, fine chemical manufacturers, and academic research institutions focused on endocrinology and steroid chemistry.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in biochemical and pharmacological research to study steroid metabolism, receptor binding, and hormone pathways.
• Reference Standard: Serves as an analytical standard for quality control and method development in pharmaceutical testing laboratories.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to create novel steroid derivatives with potential therapeutic applications.

Basic Information

Item	Details
Product Name	12β-Hydroxy-5α-Androstan-17-One
CAS No.	32222-25-6
Molecular Formula	C19H30O2
Molecular Weight	290.44 g/mol
Synonyms	12β-Hydroxyandrostan-17-one; 12β-Hydroxy-5α-androstan-17-one; 5α-Androstane-12β-ol-17-one; 17-Oxo-5α-androstan-12β-ol; 12β-Hydroxy-17-oxo-5α-androstane; 5α,12β-Androstanediol-17-one; Androstan-12β-ol-17-one
EINECS	Contact for details

Quality Control

Our 12β-Hydroxy-5α-Androstan-17-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed in a dry environment to prevent moisture absorption.

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
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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