Description

5,19-Cyclo-5β-Androst-6-Ene-3,17-Dione is a high-purity, synthetic steroid derivative and a key chemical intermediate. Its unique fused-ring structure makes it a valuable building block for the research and development of novel pharmaceutical compounds. This product is essential for researchers and manufacturers in the pharmaceutical and biotechnology sectors, particularly those focused on steroid chemistry, hormone research, and advanced therapeutic synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in medicinal chemistry for the design and development of new therapeutic agents targeting hormone receptors.
• Biochemical Research: Serves as a reference standard or starting material in studies investigating steroid metabolism and enzyme inhibition.
• Fine Chemical Synthesis: Employed in custom synthesis and contract manufacturing for producing specialized steroid derivatives.

Basic Information

Product Name	5,19-Cyclo-5β-Androst-6-Ene-3,17-Dione
CAS No.	33585-88-5
Molecular Formula	C19H24O2
Molecular Weight	284.39 g/mol
Synonyms	5,19-Cyclo-5β-androst-6-ene-3,17-dione; 5,19-Cycloandrost-6-ene-3,17-dione; 5β,19-Cycloandrost-6-ene-3,17-dione; NSC 338018; 5,19-Cyclo-5β-androst-6-en-3,17-dion; 3,17-Dioxo-5,19-cyclo-5β-androst-6-ene
EINECS	Contact for details

Quality Control

Our 5,19-Cyclo-5β-Androst-6-Ene-3,17-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets exacting standards for research and synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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