Description

3β-(Acetyloxy)-5,6α-Epoxy-5α-Androstane-17β-Carboxylic Acid Methyl Ester 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 enable precise chemical transformations in complex synthesis pathways. It is primarily required by research institutions and pharmaceutical development companies engaged in the synthesis of novel steroid-based active pharmaceutical ingredients (APIs) and other fine chemicals.

Application

• Pharmaceutical Intermediate: A critical building block in the multi-step synthesis of steroidal drugs and hormone analogs.
• Research & Development: Used in academic and industrial R&D for exploring new synthetic routes and studying structure-activity relationships (SAR) of steroid molecules.
• Reference Standard: Serves as a certified reference material (CRM) or analytical standard for quality control and method validation in analytical laboratories.
• Fine Chemical Synthesis: Employed in the production of specialized, high-value fine chemicals and advanced intermediates for various life science applications.

Basic Information

Product Name	3β-(Acetyloxy)-5,6α-Epoxy-5α-Androstane-17β-Carboxylic Acid Methyl Ester
CAS No.	56009-15-5
Molecular Formula	C23H32O5
Molecular Weight	388.50 g/mol
Synonyms	Methyl 3β-Acetoxy-5,6α-epoxy-5α-androstane-17β-carboxylate; 5,6α-Epoxy-3β-hydroxy-5α-androstane-17β-carboxylic Acid Methyl Ester 3-Acetate; 3β-Acetoxy-5,6α-epoxy-5α-androstan-17β-carboxylic Acid Methyl Ester; 17β-Carbomethoxy-5,6α-epoxy-3β-acetoxy-5α-androstane; 5,6α-Epoxy-3β-acetoxy-5α-androstane-17β-carboxylic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 3β-(Acetyloxy)-5,6α-Epoxy-5α-Androstane-17β-Carboxylic Acid Methyl Ester 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 research and pharmaceutical intermediate use. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and compliance with your specifications.

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). The product should be kept under an inert atmosphere for long-term storage to maintain stability.

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%
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.