Description

3α-Hydroxy-17-(Methoxyimino)-5β-Androstan-11-One is a high-purity steroidal intermediate of significant importance in advanced pharmaceutical synthesis. This compound serves as a critical building block for the development of novel therapeutic agents, particularly in the field of endocrinology and hormone-related treatments. It is primarily required by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in the production of specialized steroid-based APIs and reference standards.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of complex steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and the development of new therapeutic compounds targeting hormone receptors.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical analysis.
• Process Chemistry: Employed in process development and scale-up activities for the optimization of steroid manufacturing routes.
• Biochemical Research: Utilized in studies investigating steroid metabolism, enzyme inhibition, and structure-activity relationships (SAR).

Basic Information

Product Name	3α-Hydroxy-17-(Methoxyimino)-5β-Androstan-11-One
CAS No.	3091-91-6
Molecular Formula	C₂₁H₃₃NO₃
Molecular Weight	347.49 g/mol
Synonyms	11-Oxo-3α-hydroxy-17-(methoxyimino)-5β-androstane; 3α-Hydroxy-17-methoxyimino-5β-androstan-11-one; 5β-Androstan-11-one, 3α-hydroxy-17-(methoxyimino)-; 17-(Methoxyimino)-3α-hydroxy-5β-androstan-11-one; 3α-Hydroxy-17β-(methoxyimino)-5β-androstan-11-one; Steroid intermediate 3091-91-6
EINECS	Contact for details

Quality Control

Our 3α-Hydroxy-17-(Methoxyimino)-5β-Androstan-11-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identity confirmation by IR and NMR spectroscopy, and residual solvent analysis to ensure it meets the stringent requirements for pharmaceutical intermediates. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which may affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single unknown impurity	≤ 0.5%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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