Description

(14β)-3-Methoxyestra-1,3,5(10)-Triene-17-One is a high-purity steroid derivative and a key synthetic intermediate. This compound is valued for its defined stereochemistry and consistent quality, which are critical for downstream synthesis and research reproducibility. It is primarily utilized by pharmaceutical R&D teams, fine chemical manufacturers, and academic institutions engaged in steroid chemistry and drug discovery.

Application

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of more complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used as a reference standard and starting material in medicinal chemistry for developing novel therapeutic agents.
• Fine Chemical Synthesis: Serves as a precursor for the production of specialized steroid derivatives used in biochemical research and diagnostics.
• Academic Studies: Employed in university and institutional laboratories for studying steroid metabolism, receptor interactions, and synthetic pathways.

Basic Information

Product Name	(14β)-3-Methoxyestra-1,3,5(10)-Triene-17-One
CAS No.	17748-69-5
Molecular Formula	C19H24O2
Molecular Weight	284.39 g/mol
Synonyms	14β-Hydroxy-3-methoxyestra-1,3,5(10)-trien-17-one; 3-Methoxy-14β-hydroxyestra-1,3,5(10)-trien-17-one; 14β-Hydroxy-3-methoxy-1,3,5(10)-estratrien-17-one; 14β-Hydroxy-3-methoxyestra-1,3,5(10)-trien-17-one; 14β-Hydroxy-3-methoxy-1,3,5(10)-estratriene-17-one; 14β-Hydroxy-3-methoxyestra-1,3,5(10),16-tetraen-17-one (related form); 14β-Methoxyestrone derivative
EINECS	Contact for details

Quality Control

Our (14β)-3-Methoxyestra-1,3,5(10)-Triene-17-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets stringent specifications for research and synthesis. A Certificate of Analysis (COA) detailing all test results 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 (typically 15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

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