Description

17Beta-Hydroxy-17-Methylandrosta-4,9(11)-Dien-3-One is a high-purity steroid intermediate of significant commercial and research interest. This compound serves as a critical building block in the synthesis of more complex pharmaceutical and performance-enhancing agents. It is primarily sought by manufacturers and research institutions in the pharmaceutical, biotechnology, and fine chemical sectors for advanced steroid synthesis programs.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of anabolic steroids and other therapeutic steroid-based molecules.
• Research & Development: Used in biochemical and pharmacological research to study steroid metabolism, receptor binding, and structure-activity relationships (SAR).
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical laboratories.
• Fine Chemical Synthesis: Employed in custom synthesis and the production of specialized steroid derivatives for various industrial applications.

Basic Information

Product Name	17Beta-Hydroxy-17-Methylandrosta-4,9(11)-Dien-3-One
CAS No.	1039-17-4
Molecular Formula	C20H28O2
Molecular Weight	300.44 g/mol
Synonyms	17β-Hydroxy-17-methylandrosta-4,9(11)-dien-3-one; 17-Methyl-δ9(11)-androstenediol-3-one; Methylandrostenediolone; 17-Methyl-4,9(11)-androstadien-17β-ol-3-one; Dienolone; 17β-Hydroxy-17-methylestra-4,9(11)-dien-3-one
EINECS	213-861-5

Quality Control

Our 17Beta-Hydroxy-17-Methylandrosta-4,9(11)-Dien-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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