Description

1,3,5(10)-Estratrien-2,3-Diol-17-One 3-Methyl Ether is a high-purity steroid derivative and a key synthetic intermediate in pharmaceutical manufacturing. This compound is valued for its precise chemical structure, which is critical for the synthesis of more complex active pharmaceutical ingredients (APIs). It is primarily utilized by research institutions and production facilities in the pharmaceutical and life sciences sectors for the development and commercial-scale production of steroid-based therapeutics.

Application

• Pharmaceutical Intermediate: A crucial building block in the multi-step synthesis of steroidal hormones and related APIs.
• Research & Development: Used in medicinal chemistry for the discovery and structural modification of new therapeutic steroid analogs.
• Reference Standard: Serves as a certified reference material (CRM) for analytical method development and quality control in pharmaceutical laboratories.
• Process Chemistry: Employed in scale-up and optimization of synthetic routes for cost-effective and efficient API production.

Basic Information

Product Name	1,3,5(10)-Estratrien-2,3-Diol-17-One 3-Methyl Ether
CAS No.	5976-63-6
Molecular Formula	C19H24O3
Molecular Weight	300.39 g/mol
Synonyms	2-Methoxyestrone; 2-Methoxy-1,3,5(10)-estratrien-3-ol-17-one; 2-Methoxyestra-1,3,5(10)-trien-3-ol-17-one; 3-Hydroxy-2-methoxyestra-1,3,5(10)-trien-17-one; 2-Methoxy-estrone; 2-Methoxy-oestrone; 2-Methoxy-17-oxoestra-1,3,5(10)-trien-3-ol; NSC 9894
EINECS	Contact for details

Quality Control

Our 1,3,5(10)-Estratrien-2,3-Diol-17-One 3-Methyl Ether 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. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

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
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%

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