Description

3-Methoxy-7α-Methyl-Estra-2,5(10)-Dien-17-One is a high-purity steroid derivative and a key synthetic intermediate in organic chemistry. This compound matters for its role in the research and development of novel pharmaceutical agents, particularly in the field of endocrinology and hormone-related therapies. 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 steroidal drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for exploring new therapeutic pathways and metabolic studies.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.
• Process Chemistry: Employed in scale-up and optimization studies for the commercial production of steroid-based compounds.
• Biochemical Research: Utilized in studies investigating hormone receptors, enzyme inhibitors, and metabolic pathways.

Basic Information

Product Name	3-Methoxy-7α-Methyl-Estra-2,5(10)-Dien-17-One
CAS No.	5210-25-3
Molecular Formula	C₂₀H₂₈O₂
Molecular Weight	300.44 g/mol
Synonyms	3-Methoxy-7α-methylestra-2,5(10)-dien-17-one; 7α-Methyl-3-methoxyestra-2,5(10)-dien-17-one; 17-Keto-3-methoxy-7α-methylestra-2,5(10)-diene; 3-Methoxy-7α-methyl-19-nor-17-oxopregna-2,5(10)-diene; 7α-Methyl-3-methoxy-19-norpregna-2,5(10)-dien-17-one; 3-Methoxy-7-methylestra-2,5(10)-dien-17-one (7α isomer); 5210-25-3; 3-Methoxy-7α-methylestra-2,5-dien-17-one
EINECS	Contact for details

Quality Control

Our 3-Methoxy-7α-Methyl-Estra-2,5(10)-Dien-17-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.