Description

16β-Ethyl-17β-Acetyloxyestr-4-En-3-One is a high-purity synthetic steroid intermediate of significant commercial and research importance. Its precise molecular structure makes it a valuable building block for the development of specialized pharmaceutical compounds. This product is primarily targeted at manufacturers and research institutions in the pharmaceutical, biotechnology, and fine chemical sectors engaged in advanced steroid synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel steroidal drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and the development of new therapeutic agents.
• Hormone Analog Synthesis: Serves as a critical starting material for creating modified steroid structures with targeted biological activity.
• Fine Chemical Production: Employed in multi-step organic synthesis for producing complex, high-value specialty chemicals.
• Reference Standard: Can be utilized as an analytical standard for quality control and method development in regulatory testing.

Basic Information

Product Name	16β-Ethyl-17β-Acetyloxyestr-4-En-3-One
CAS No.	33765-80-9
Molecular Formula	C23H34O3
Molecular Weight	358.52 g/mol
Synonyms	16β-Ethyl-17β-hydroxy-4-estren-3-one 17-acetate; 16β-Ethyl-17β-acetoxyestr-4-en-3-one; 16β-Ethyl-17β-acetoxy-4-estren-3-one; 16β-Ethyl-4-estrene-3-one, 17β-acetate; 17β-Acetoxy-16β-ethylestr-4-en-3-one; Ethylestrenol Acetate (related derivative); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 16β-Ethyl-17β-Acetyloxyestr-4-En-3-One 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 to guarantee traceability and compliance.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.