Description

10-Acetoxy-17-Hydroxy-17-Ethinylestr-4-En-3-One is a high-purity steroid intermediate of significant importance in advanced pharmaceutical synthesis. This compound serves as a critical building block for the development of novel steroidal drugs, offering precise control over molecular structure. It is primarily required by research institutions and pharmaceutical manufacturers engaged in the development of hormone therapies and other specialized active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of advanced steroidal active pharmaceutical ingredients (APIs).
• Hormone Research: Used in laboratory settings for the research and development of new hormonal compounds and therapeutic agents.
• Process Chemistry: Employed in scale-up and process optimization studies within pharmaceutical manufacturing.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.
• Academic Research: Utilized in university and institutional research for studying steroid biochemistry and synthetic pathways.

Basic Information

Product Name	10-Acetoxy-17-Hydroxy-17-Ethinylestr-4-En-3-One
CAS No.	82683-45-2
Molecular Formula	C22H28O4
Molecular Weight	356.46 g/mol
Synonyms	17α-Ethynyl-17β-hydroxy-4-estren-3-one 10-acetate; 10-Acetoxy-17α-ethynyl-17β-hydroxyestr-4-en-3-one; 17α-Ethynyl-10β-acetoxy-17β-hydroxyestr-4-en-3-one; 10β-Acetoxy-17α-ethynyl-17β-hydroxy-4-estren-3-one; Ethinylestradiol 10-acetate derivative; Steroid intermediate 82683-45-2
EINECS	Contact for details

Quality Control

Our 10-Acetoxy-17-Hydroxy-17-Ethinylestr-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 the stringent requirements for pharmaceutical intermediates. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines
Loss on Drying	≤ 0.5%

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