Description

17,17-Dimethyl-18-Norandrosta-1,4,13-Trien-3-One is a high-purity synthetic steroid derivative with a specific and potent biological activity profile. This compound is valued for its role as a critical intermediate in advanced pharmaceutical research and development, particularly in the synthesis of novel therapeutic agents. It is primarily required by R&D laboratories, pharmaceutical manufacturers, and fine chemical suppliers focused on endocrinology, metabolic research, and specialty active pharmaceutical ingredient (API) production.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of specialized steroid-based active pharmaceutical ingredients (APIs).
• Research & Development: Used in biochemical and pharmacological research to study steroid hormone pathways, receptor interactions, and metabolic processes.
• Reference Standard: Employed as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Preclinical Studies: Utilized in the development and testing of new chemical entities (NCEs) targeting hormonal and metabolic disorders.

Basic Information

Product Name	17,17-Dimethyl-18-Norandrosta-1,4,13-Trien-3-One
CAS No.	77702-25-1
Molecular Formula	C19H26O
Molecular Weight	270.41 g/mol
Synonyms	17,17-Dimethyl-18-norandrosta-1,4,13-trien-3-one; 18-Norandrosta-1,4,13-triene-3-one, 17,17-dimethyl-; 17β,17-Dimethyl-18-norandrosta-1,4,13-trien-3-one; Desogestrel Impurity; Desogestrel Related Compound; 17,17-Dimethyl-18-nor-1,4,13-androstatrien-3-one
EINECS	Contact for details

Quality Control

Our 17,17-Dimethyl-18-Norandrosta-1,4,13-Trien-3-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing specifications such as assay, related substances, and residual solvents. Our quality commitment aligns with cGMP standards for pharmaceutical intermediates.

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 an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines
Loss on Drying	≤ 0.5%

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