Description

(10α)-17β-Hydroxyandrost-4-En-3-One CAS NO 604-39-7 is a high-purity steroid intermediate, also known as 10α-Dihydrotestosterone. This compound is a critical building block in the synthesis of more complex steroid-based active pharmaceutical ingredients (APIs). It is essential for pharmaceutical R&D and manufacturing, particularly for companies developing hormone therapies and other specialized steroid compounds. Our product is supplied to meet the stringent quality demands of the global pharmaceutical and fine chemical industries.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the multi-step synthesis of steroidal drugs and hormone-based therapies.
• Research & Development: Used in academic and industrial laboratories for pharmacological studies, metabolic pathway research, and the development of new therapeutic agents.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.
• Fine Chemical Synthesis: Employed in the production of other specialized steroid derivatives and bioactive molecules for various applications.

Basic Information

Product Name	(10α)-17β-Hydroxyandrost-4-En-3-One
CAS No.	604-39-7
Molecular Formula	C19H30O2
Molecular Weight	290.44 g/mol
Synonyms	10α-Dihydrotestosterone; 10α-DHT; 10α-Androstan-17β-ol-3-one; 17β-Hydroxy-10α-androstan-3-one; 10α,5α-Androstan-17β-ol-3-one; 10α-Androstan-3-one, 17β-hydroxy-; 10α-Dihydrotestosterone (10α-DHT)
EINECS	Contact for details

Quality Control

Our (10α)-17β-Hydroxyandrost-4-En-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by spectroscopic methods, to ensure it meets the high standards required for pharmaceutical intermediates. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment. For long-term storage, consider using desiccants.

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%
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.