Description

3β-(Acetyloxy)-17-Methylandrost-5-Ene-17β-Carboxylic Acid Methyl Ester is a high-purity steroid derivative, serving as a critical advanced intermediate in pharmaceutical synthesis. Its precise molecular structure makes it valuable for the research and development of active pharmaceutical ingredients (APIs) and other fine chemicals. This compound is primarily sought by manufacturers and research institutions in the pharmaceutical, biotechnology, and life science sectors for its role in creating complex therapeutic molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of steroidal drugs and hormone-based therapies.
• Research & Development: Used in academic and industrial laboratories for the discovery and development of new chemical entities and biological probes.
• API Synthesis: Serves as a precursor in the multi-step manufacturing process of complex Active Pharmaceutical Ingredients (APIs).
• Fine Chemical Production: Employed in the production of specialized, high-value fine chemicals for various industrial applications.
• Biochemical Research: Utilized in studies related to steroid metabolism, receptor binding, and biochemical pathways.

Basic Information

Product Name	3β-(Acetyloxy)-17-Methylandrost-5-Ene-17β-Carboxylic Acid Methyl Ester
CAS No.	5230-57-9
Molecular Formula	C24H36O4
Molecular Weight	388.55 g/mol
Synonyms	17β-Methoxy-17α-methylandrost-5-ene-3β-yl acetate; Methyl 17β-methoxy-17α-methylandrost-5-ene-3β-yl acetate; 3β-Acetoxy-17α-methyl-17β-methoxyandrost-5-ene; 17α-Methyl-17β-methoxyandrost-5-en-3β-yl acetate; 17-Methylandrost-5-ene-17β-carboxylic acid, 3-(acetyloxy)-, methyl ester; Androst-5-ene-17β-carboxylic acid, 3-(acetyloxy)-17-methyl-, methyl ester, (3β)-; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 3β-(Acetyloxy)-17-Methylandrost-5-Ene-17β-Carboxylic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee it meets the stringent requirements for pharmaceutical R&D and manufacturing.

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)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.