Description

4-Androsten-16A-Ol-3,17-Dione is a key steroid intermediate with significant importance in organic synthesis. This compound serves as a versatile building block for the production of more complex steroid-based active pharmaceutical ingredients (APIs). It is primarily required by pharmaceutical manufacturers and research institutions engaged in the development of hormonal therapies and other specialized steroid compounds.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of various steroidal drugs and hormones.
• Research & Development: Used in academic and industrial laboratories for exploring new synthetic pathways and novel steroid derivatives.
• API Manufacturing: Employed in the commercial-scale production of specific active pharmaceutical ingredients requiring this structural motif.
• Biochemical Research: Utilized in studies investigating steroid metabolism, enzyme inhibition, and receptor binding activities.

Basic Information

Product Name	4-Androsten-16A-Ol-3,17-Dione
CAS No.	63-02-5
Molecular Formula	C19H26O3
Molecular Weight	302.41 g/mol
Synonyms	16α-Hydroxyandrost-4-ene-3,17-dione; 16α-Hydroxy-4-androstene-3,17-dione; 16α-Hydroxyandrostenedione; 16α-OH-AD; Androst-4-ene-16α-ol-3,17-dione
EINECS	Contact for details

Quality Control

Our 4-Androsten-16A-Ol-3,17-Dione is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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