Description

1-Androstene-3,17-Dione is a key steroid intermediate, also known as 1,4-androstadiene-3,17-dione. This compound is of significant commercial and research interest due to its role as a direct precursor in the synthesis of various anabolic steroids and pharmaceutical agents. It is primarily utilized by manufacturers in the pharmaceutical, research, and fine chemical sectors for the development of steroid-based therapeutics and performance-enhancing compounds.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of anabolic steroids and other therapeutic steroid molecules.
• Research & Development: Used in biochemical and pharmacological research to study steroid metabolism, enzyme inhibition, and receptor activity.
• Fine Chemical Synthesis: Serves as a starting material for the production of more complex steroid derivatives in custom synthesis projects.
• Reference Standard: Employed as a high-purity analytical standard in quality control laboratories for method development and validation.

Basic Information

Product Name	1-Androstene-3,17-Dione
CAS No.	21507-41-5
Molecular Formula	C19H26O2
Molecular Weight	286.41 g/mol
Synonyms	1,4-Androstadiene-3,17-dione; 1-Dehydroandrostenedione; 1-Androstenedione; 1,4-Androstadien-3,17-dione; 5α-Androst-1-ene-3,17-dione; 1-Testosterone Precursor; 1-AD; 1-Andro
EINECS	Contact for details

Quality Control

Our 1-Androstene-3,17-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets stringent specifications. Certificates of Analysis (COA) detailing all test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed and away from direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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