Description

(9β)-Estr-4-Ene-3,7-Dione CAS NO 55622-62-3 is a high-purity steroid derivative and a key intermediate in advanced organic synthesis. This compound is valued for its specific molecular framework, which serves as a crucial building block for the development of complex bioactive molecules. It is primarily sought after by research institutions and pharmaceutical manufacturers engaged in the development of novel therapeutic agents and fine chemical products.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of novel steroid-based pharmaceuticals and active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard and a starting material in academic and industrial research exploring steroid metabolism and hormone-related pathways.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex molecular architectures in custom synthesis and process development.
• Development of Analytical Standards: Utilized to prepare high-purity calibration standards for analytical methods like HPLC and LC-MS in quality control laboratories.

Basic Information

Product Name	(9β)-Estr-4-Ene-3,7-Dione
CAS No.	55622-62-3
Molecular Formula	C18H22O2
Molecular Weight	270.37 g/mol
Synonyms	9β-Estr-4-ene-3,7-dione; 9β-Estra-4-ene-3,7-dione; 3,7-Dioxo-9β-estr-4-ene; 9β-Estra-1,3,5(10)-triene-3,7-dione; 9β-Estrone-3,7-dione; 9-β-estr-4-ene-3,7-dione; 9β-Estra-4-en-3,7-dione
EINECS	Contact for details

Quality Control

Our (9β)-Estr-4-Ene-3,7-Dione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results for purity, identity, and related substances is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its sensitivity, the material should be handled under an inert atmosphere to prevent oxidation and kept in moisture-resistant packaging.

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%
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.