Description

Estr-4-En-3-One, 17.Beta.-Hydroxy-2.Alpha.-Methyl- is a high-purity steroid derivative, also known as 2α-Methyl-17β-Hydroxyestr-4-en-3-one, serving as a critical intermediate in advanced pharmaceutical synthesis. Its value lies in providing a structurally defined and reliable building block for the research and development of novel therapeutic agents. This compound is essential for pharmaceutical R&D laboratories and manufacturers focused on creating specialized steroid-based drugs, including potential hormone therapies and other bioactive molecules.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the production of specialized steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in medicinal chemistry for the design, synthesis, and biological evaluation of new steroid derivatives with potential therapeutic applications.
• Hormone Analog Synthesis: Serves as a foundational structure for developing novel androgenic or anabolic hormone analogs in a controlled research setting.
• Reference Standard: Can be utilized as an analytical reference standard for quality control and method development in pharmaceutical analysis.
• Biochemical Research: Employed in studies investigating steroid-receptor interactions and metabolic pathways.

Basic Information

Product Name	Estr-4-En-3-One, 17.Beta.-Hydroxy-2.Alpha.-Methyl-
CAS No.	1092-04-2
Molecular Formula	C₂₀H₃₀O₂
Molecular Weight	302.45 g/mol
Synonyms	2α-Methyl-17β-Hydroxyestr-4-en-3-one; 2-Methyl-19-nortestosterone; 2-Methylestrenolone; 17β-Hydroxy-2α-methylestr-4-en-3-one; 2α-Methyl-19-nortestosterone; 2-Methyl-nandrolone; NSC 121698
EINECS	Contact for details

Quality Control

Our Estr-4-En-3-One, 17.Beta.-Hydroxy-2.Alpha.-Methyl- is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We adhere to cGMP (current Good Manufacturing Practice) guidelines where applicable for pharmaceutical intermediates. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles, verified by advanced analytical techniques including HPLC, GC, and NMR.

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. For long-term storage, consider inert atmosphere conditions to ensure optimal 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%
Single Unknown Impurity	≤ 0.5%
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.