Description

3-Methoxyestra-1(10),2,4,8-Tetrene-17-One is a high-purity, synthetic steroid derivative and a key pharmaceutical intermediate. This compound is valued for its role as a versatile building block in the synthesis of more complex steroidal active pharmaceutical ingredients (APIs). It is primarily required by research institutions and pharmaceutical manufacturers engaged in the development and production of steroid-based therapeutics, including hormone modulators and anti-inflammatory agents.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of steroidal drugs and hormones.
• Research & Development: Used in medicinal chemistry for the discovery and structure-activity relationship (SAR) studies of new steroid analogs.
• Reference Standard: Serves as an analytical standard for quality control and method validation in pharmaceutical laboratories.
• Process Chemistry: Employed in scaling up synthetic routes for pilot plant and commercial manufacturing of APIs.

Basic Information

Product Name	3-Methoxyestra-1(10),2,4,8-Tetrene-17-One
CAS No.	6885-44-5
Molecular Formula	C20H24O2
Molecular Weight	296.41 g/mol
Synonyms	3-Methoxyestra-1(10),2,4,8-tetraen-17-one; 3-Methoxy-1,3,5(10),8-estratetraen-17-one; 3-Methoxyestra-1,3,5(10),8-tetraene-17-one; 17-Oxo-3-methoxyestra-1(10),2,4,8-tetraene; 3-Methoxy-19-nor-1,3,5(10),8-pregnatetraen-20-one
EINECS	Contact for details

Quality Control

Our 3-Methoxyestra-1(10),2,4,8-Tetrene-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 the stringent requirements for pharmaceutical intermediates. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request.

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 heat and 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%

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