Description

17-Ethynyl-9,17-Dihydroxyandrost-4-En-3-One is a high-purity steroid derivative of significant interest in advanced pharmaceutical research and development. This compound serves as a critical synthetic intermediate for the creation of novel therapeutic agents, particularly in the fields of endocrinology and oncology. It is primarily utilized by research institutions, pharmaceutical manufacturers, and fine chemical companies engaged in the synthesis of specialized steroid-based molecules.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel steroid-based drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or precursor in studies involving hormone receptors and metabolic pathways.
• Fine Chemical Synthesis: Employed in the development of complex organic molecules for specialized applications.
• Academic Research: Serves as a substrate or intermediate in university and institutional laboratories for chemical and pharmacological studies.

Basic Information

Item	Details
Product Name	17-Ethynyl-9,17-Dihydroxyandrost-4-En-3-One
CAS No.	116256-39-4
Molecular Formula	C21H28O3
Molecular Weight	328.45 g/mol
Synonyms	9α,17β-Dihydroxy-17α-ethynyl-4-androsten-3-one; 17α-Ethynyl-9α,17β-dihydroxyandrost-4-en-3-one; 17-Ethynyl-9,17-dihydroxyandrost-4-en-3-one; 9,17-Dihydroxy-17-ethynyl-androst-4-en-3-one; 17α-Ethynyl-9α,17β-dihydroxy-4-androsten-3-one; 17-Ethynyl-9,17-dihydroxy-4-androsten-3-one; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 17-Ethynyl-9,17-Dihydroxyandrost-4-En-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 the high standards required for research and development applications. Certificates of Analysis (COA) are available upon request.

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); 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 structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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