Description

3β-Methoxy-16,16-Dimethylandrost-5-En-17-One is a high-purity synthetic steroid derivative, identified by CAS NO 55837-03-1. This compound serves as a critical advanced intermediate in the synthesis of complex pharmaceutical agents, offering a defined molecular scaffold for targeted modifications. It is primarily utilized by research institutions and pharmaceutical manufacturers engaged in the development of novel therapeutic compounds, particularly in the fields of endocrinology and metabolic research.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of specialized steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in medicinal chemistry for structure-activity relationship (SAR) studies and the development of new drug candidates targeting hormone receptors.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in pharmaceutical laboratories.
• Biochemical Research: Employed in studies investigating steroid biosynthesis pathways, enzyme inhibition, and metabolic processes.

Basic Information

Product Name	3β-Methoxy-16,16-Dimethylandrost-5-En-17-One
CAS No.	55837-03-1
Molecular Formula	C22H34O2
Molecular Weight	330.51 g/mol
Synonyms	3β-Methoxy-16,16-dimethylandrost-5-en-17-one; 16,16-Dimethyl-3β-methoxyandrost-5-en-17-one; 3-Methoxy-16,16-dimethylandrost-5-en-17-one; Androst-5-en-17-one, 3-methoxy-16,16-dimethyl-, (3β)-; (3β)-3-Methoxy-16,16-dimethylandrost-5-en-17-one
EINECS	Contact for details

Quality Control

Our 3β-Methoxy-16,16-Dimethylandrost-5-En-17-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and residual solvent analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, ensuring traceability and compliance with your research or cGMP-grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container should be kept in a desiccated environment to prevent moisture absorption. Keep away from incompatible materials.

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%
Residual Solvents (GC)	Complies with ICH guidelines

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