Description

17β-Hydroxy-17-Methyl-5α-Estran-3-One is a high-purity synthetic steroid derivative of significant interest in advanced pharmaceutical research and development. This compound serves as a critical intermediate for the synthesis of specialized steroidal drugs and reference standards. It is primarily utilized by research institutions, pharmaceutical manufacturers, and fine chemical producers engaged in the development of hormone-related therapeutics and analytical methods. Our supply ensures consistent quality and reliable availability for your critical projects.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel steroidal active pharmaceutical ingredients (APIs) and prohormones.
• Reference Standard: Used as a certified reference material (CRM) for quality control, method validation, and regulatory compliance in analytical laboratories.
• Biochemical Research: Employed in metabolic pathway studies, receptor binding assays, and endocrine research to investigate steroidal activity and effects.
• Veterinary Medicine: Potential intermediate in the development of steroidal treatments for animal health applications.
• Academic Research: Serves as a substrate or standard in university and institutional research exploring organic synthesis and steroid chemistry.

Basic Information

Product Name	17β-Hydroxy-17-Methyl-5α-Estran-3-One
CAS No.	6424-04-0
Molecular Formula	C20H32O2
Molecular Weight	304.47 g/mol
Synonyms	17β-Hydroxy-17-methyl-5α-androstan-3-one; 17-Methyl-5α-androstane-3β,17β-diol-3-one; 17-Methylandrostan-17-ol-3-one; Drostanolone; Masteron (base compound); 2α-Methyl-4,5α-dihydrotestosterone; SH-723
EINECS	229-185-6

Quality Control

Our 17β-Hydroxy-17-Methyl-5α-Estran-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 a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your specifications. Our quality commitment supports applications requiring GMP-grade intermediates and research standards.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
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.