Description

(9β)-3-Hydroxyestra-1,3,5(10)-Triene-11,17-Dione CAS NO 17391-44-5 is a high-purity steroid derivative and a key intermediate in advanced pharmaceutical synthesis. This compound matters for its role in the research and development of novel therapeutic agents, particularly within the field of endocrinology and hormone-related treatments. It is primarily needed by pharmaceutical R&D laboratories, contract manufacturing organizations (CMOs), and fine chemical suppliers serving the global life sciences sector.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Biochemical Research: Used as a reference standard or precursor in studies related to steroid hormone metabolism and receptor interactions.
• Process Development: Serves as a starting material or intermediate for scaling up production processes in fine chemical manufacturing.
• Analytical Standard: Employed in analytical method development and validation for quality control in steroid manufacturing.

Basic Information

Product Name	(9β)-3-Hydroxyestra-1,3,5(10)-Triene-11,17-Dione
CAS No.	17391-44-5
Molecular Formula	C18H22O3
Molecular Weight	286.36 g/mol
Synonyms	11,17-Dioxoestr-4-ene-3-ol; 3-Hydroxyestra-1,3,5(10)-triene-11,17-dione; 11,17-Diketosterone; 11,17-Dioxoestrone; (9β)-3-Hydroxyestra-1,3,5(10)-triene-11,17-dione; 9β-Estrone-11,17-dione; 3-Hydroxy-11,17-dioxoestra-1,3,5(10)-triene
EINECS	Contact for details

Quality Control

Our (9β)-3-Hydroxyestra-1,3,5(10)-Triene-11,17-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the stringent requirements for pharmaceutical intermediates. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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.

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%
Heavy Metals	≤ 20 ppm

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