Description

3-Methoxyestra-1,3,5(10),15-Tetrene-17-One is a high-purity steroidal intermediate of significant interest in advanced pharmaceutical synthesis. This compound matters as a key building block for the development of novel therapeutic agents, particularly in the field of endocrinology and hormone-related research. Pharmaceutical R&D laboratories and fine chemical manufacturers require this material for creating targeted, high-value active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of specialized steroidal drugs and hormonal agents.
• Research & Development: Used in academic and industrial laboratories for investigating novel biochemical pathways and receptor interactions.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Process Chemistry: Employed in process development and scale-up activities for the manufacture of complex organic molecules.
• Biochemical Tool Compound: Utilized in biological assays to study enzyme inhibition or modulation of specific steroid hormone pathways.

Basic Information

Product Name	3-Methoxyestra-1,3,5(10),15-Tetrene-17-One
CAS No.	17748-68-4
Molecular Formula	C20H26O2
Molecular Weight	298.42 g/mol
Synonyms	3-Methoxyestra-1,3,5(10),15-tetraen-17-one; 3-Methoxy-1,3,5(10),15-estratetraen-17-one; 17-Oxo-3-methoxyestra-1,3,5(10),15-tetraene; 3-Methoxy-19-nor-1,3,5(10),15-pregnatetraen-20-one (related structure); 3-Methoxyestra-1,3,5(10),15-tetraene-17-one; Estra-1,3,5(10),15-tetraene-17-one, 3-methoxy-; 3-Methoxy-δ1,3,5(10),15-estratetraen-17-one
EINECS	Contact for details

Quality Control

Our 3-Methoxyestra-1,3,5(10),15-Tetrene-17-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for pharmaceutical R&D and synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (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%
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.