Description

Androst-1-En-3-One, 17-(Acetyloxy)-4,5-Epoxy-, (4Beta,5Beta,17Beta)- is a high-purity steroid derivative and a key synthetic intermediate in organic chemistry. This compound is valued for its defined stereochemistry and functional groups, which make it a crucial building block for the synthesis of more complex bioactive molecules. It is primarily utilized by research institutions and pharmaceutical development companies engaged in advanced steroid chemistry and novel therapeutic agent discovery.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of specialized steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial R&D labs for studying steroid metabolism, receptor interactions, and structure-activity relationships (SAR).
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.
• Biochemical Synthesis: Employed in the synthesis of labeled compounds (e.g., deuterated or C14-labeled steroids) for tracer studies and metabolic research.
• Process Chemistry: Used in the development and scale-up of synthetic routes for novel therapeutic candidates within contract development and manufacturing organizations (CDMOs).

Basic Information

Product Name	Androst-1-En-3-One, 17-(Acetyloxy)-4,5-Epoxy-, (4Beta,5Beta,17Beta)-
CAS No.	13731-42-5
Molecular Formula	C21H28O4
Molecular Weight	344.45 g/mol
Synonyms	4β,5β-Epoxyandrost-1-en-3-one 17β-acetate; 17β-Acetoxy-4β,5β-epoxyandrost-1-en-3-one; 4,5-Epoxyandrost-1-en-3-one, 17-(acetyloxy)-, (4β,5β,17β)-; Androst-1-en-3-one, 17-(acetyloxy)-4,5-epoxy-, (4β,5β,17β)-; 17β-Acetoxy-4β,5β-epoxy-1-androsten-3-one
EINECS	Contact for details

Quality Control

Our Androst-1-En-3-One, 17-(Acetyloxy)-4,5-Epoxy-, (4Beta,5Beta,17Beta)- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets stringent specifications for research and pharmaceutical use. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

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%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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