Description

Etrosteron is a high-purity synthetic steroid compound, identified by CAS NO 74798-17-7. It serves as a critical advanced intermediate in the synthesis of complex pharmaceutical actives, offering a reliable and consistent building block for research and development. This product is essential for pharmaceutical manufacturers, R&D laboratories, and fine chemical producers focused on developing steroidal drugs and other bioactive molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of steroidal active pharmaceutical ingredients (APIs).
• Research & Development: Used in medicinal chemistry for the discovery and development of new therapeutic agents.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis to create complex molecular structures.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in laboratories.

Basic Information

Product Name	Etrosteron
CAS No.	74798-17-7
Molecular Formula	C20H28O2
Molecular Weight	300.44 g/mol
Synonyms	Etrosterone; 17α-Ethyl-19-nortestosterone; 17α-Ethylestr-4-en-17β-ol-3-one; 17α-Ethyl-19-norandrost-4-en-17β-ol-3-one; 17α-Ethyl-19-nor-4-androsten-17β-ol-3-one; 17α-Ethyl-19-nortestosterone; 17α-Ethyl-19-norandrost-4-en-17β-ol-3-one
EINECS	Contact for details

Quality Control

Our Etrosteron 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 stringent specifications for pharmaceutical intermediates. Certificates of Analysis (COA) are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
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.