Description

5A-Androstan-16A-Ol-17-One CAS NO 25846-17-7 is a high-purity steroid intermediate of significant importance in advanced organic synthesis. This compound serves as a critical building block for the development of specialized pharmaceutical actives and research compounds. It is primarily required by R&D laboratories, fine chemical manufacturers, and pharmaceutical companies engaged in the synthesis of steroidal drugs and novel bioactive molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of complex steroidal active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for exploring new synthetic pathways and studying structure-activity relationships (SAR).
• Fine Chemical Synthesis: Employed as a specialized building block for creating custom steroidal compounds and derivatives.
• Reference Standard: Serves as an analytical standard for quality control and method development in pharmaceutical analysis.

Basic Information

Product Name	5A-Androstan-16A-Ol-17-One
CAS No.	25846-17-7
Molecular Formula	C19H30O2
Molecular Weight	290.44 g/mol
Synonyms	16α-Hydroxy-5α-androstan-17-one; 5α-Androstane-16α-ol-17-one; 16α-Hydroxyandrostan-17-one; Androstan-16α-ol-17-one; 5α,16α-Dihydroxyandrostan-17-one (tautomer); 17-Keto-5α-androstane-16α-ol
EINECS	Contact for details

Quality Control

Our 5A-Androstan-16A-Ol-17-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, 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.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment. For long-term storage, consider using a desiccator.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%

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