Description

,9-Dehydroestrone is a key steroid intermediate and a derivative of estrone, characterized by the introduction of a double bond at the 9,10-position. This structural modification makes it a valuable synthon for the research and development of novel steroidal pharmaceuticals and bioactive compounds. It is primarily utilized by research institutions and pharmaceutical companies engaged in steroid chemistry, hormone research, and the synthesis of advanced therapeutic agents.

Application

• Pharmaceutical Intermediate: A critical building block in the synthetic pathways for novel steroidal drugs and hormone analogs.
• Biochemical Research: Used as a reference standard or starting material in studies investigating steroid metabolism, receptor binding, and biological activity.
• Organic Synthesis: Serves as a versatile precursor for the preparation of more complex, functionalized steroid derivatives for various applications.
• Academic & Industrial R&D: Essential for laboratories focusing on medicinal chemistry and the development of new therapeutic entities with steroidal backbones.

Basic Information

Product Name	,9-Dehydroestrone
CAS No.	474-87-3
Molecular Formula	C18H22O2
Molecular Weight	270.37 g/mol
Synonyms	9-Dehydroestrone; 9(11)-Dehydroestrone; Estra-1,3,5(10)-trien-9(11)-en-17-one, 3-hydroxy-; 3-Hydroxy-9(11)-dehydroestra-1,3,5(10)-trien-17-one; 9,11-Dehydroestrone; δ9(11)-Estrone
EINECS	207-473-8

Quality Control

Our ,9-Dehydroestrone is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, consistency, and reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.