Description

17β-Acetyloxyestr-5(10)-En-3-One Ethylene Acetal is a high-purity steroid intermediate of significant importance in pharmaceutical synthesis. This compound matters as a key building block for the production of more complex steroid-based active pharmaceutical ingredients (APIs). It is primarily needed by manufacturers in the pharmaceutical and fine chemical industries for research, development, and commercial-scale production processes.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of steroidal hormones and related therapeutic agents.
• Steroid API Synthesis: Used in the production of specific estrane and gonane series steroid active pharmaceutical ingredients.
• Research & Development: Serves as a valuable starting material or intermediate in medicinal chemistry and process development for novel steroid compounds.
• Fine Chemical Production: Employed in the manufacture of high-value, complex organic molecules requiring precise stereochemistry.
• Reference Standard: Can be utilized as a chromatographic or spectroscopic standard for quality control in steroid manufacturing.

Basic Information

Product Name	17β-Acetyloxyestr-5(10)-En-3-One Ethylene Acetal
CAS No.	18367-54-9
Molecular Formula	C24H34O4
Molecular Weight	386.53 g/mol
Synonyms	3,3-Ethylenedioxy-17β-acetoxyestr-5(10)-ene; 17β-Acetoxy-3,3-ethylenedioxyestr-5(10)-ene; 17β-Acetoxy-5(10)-estrene-3-one ethylene acetal; Estr-5(10)-en-3-one, 17-(acetyloxy)-, ethylene acetal, (17β)-; 17β-Acetoxy-3,3-(ethylenedioxy)-5(10)-estrene
EINECS	Contact for details

Quality Control

Our 17β-Acetyloxyestr-5(10)-En-3-One Ethylene Acetal is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical intermediates. A comprehensive 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, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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