Description

17β-Acetoxy-5α-Androstane-3-One is a high-purity steroid derivative, serving as a critical intermediate in the synthesis of complex pharmaceutical compounds. Its value lies in providing a structurally defined androstane backbone for advanced research and development in medicinal chemistry. This product is essential for pharmaceutical R&D laboratories, academic research institutions, and manufacturers specializing in steroid-based active pharmaceutical ingredients (APIs) and reference standards.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of more complex steroid-based drugs and therapeutic agents.
• Research & Development: Used in academic and industrial laboratories for studying steroid metabolism, receptor interactions, and structure-activity relationships (SAR).
• Reference Standard: Serves as a certified reference material (CRM) for analytical method development, validation, and quality control in pharmaceutical analysis.
• API Synthesis: Employed in the multi-step synthesis of specialized steroid active pharmaceutical ingredients (APIs).
• Biochemical Research: Utilized as a substrate or inhibitor in enzymatic studies related to steroidogenesis.

Basic Information

Product Name	17β-Acetoxy-5α-Androstane-3-One
CAS No.	1164-91-6
Molecular Formula	C21H32O3
Molecular Weight	332.48 g/mol
Synonyms	5α-Androstan-3-one, 17β-(acetyloxy)-; 17β-Acetoxyandrostan-3-one; 3-Oxo-5α-androstan-17β-yl acetate; Androstane-17β-ol-3-one acetate; 17β-Hydroxy-5α-androstan-3-one 17-acetate; 5α-Dihydrotestosterone 17-acetate; DHT 17-acetate
EINECS	214-579-6

Quality Control

Our 17β-Acetoxy-5α-Androstane-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. We provide full traceability and detailed Certificates of Analysis (COA) to support your regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat 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
Purity (HPLC)	≥ 98.0%
Melting Point	Specified range available
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines

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