Description

17,17-Dimethyl-18-Norandrosta-4,13-Dien-3-One is a high-purity synthetic steroid intermediate of significant commercial and research interest. This compound serves as a critical building block in the synthesis of more complex steroidal pharmaceuticals and active pharmaceutical ingredients (APIs). It is primarily utilized by manufacturers and research institutions in the pharmaceutical, biotechnology, and fine chemical sectors for the development of novel therapeutic agents and advanced chemical entities.

Application

• Pharmaceutical Intermediate: A key precursor in the multi-step synthesis of steroidal drugs and active pharmaceutical ingredients (APIs).
• Research & Development: Used in academic and industrial R&D for exploring new synthetic pathways and biological activities of modified steroids.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex, high-value steroidal compounds in custom synthesis projects.
• Reference Standard: Employed as an analytical standard in quality control laboratories for method development and compound identification via HPLC, GC-MS, or NMR.

Basic Information

Product Name	17,17-Dimethyl-18-Norandrosta-4,13-Dien-3-One
CAS No.	1971-59-1
Molecular Formula	C19H26O
Molecular Weight	270.41 g/mol
Synonyms	17,17-Dimethyl-18-norandrosta-4,13-dien-3-one; 18-Norandrosta-4,13-dien-3-one, 17,17-dimethyl-; 17,17-Dimethyl-18-nor-4,13-androstadien-3-one; 17,17-Dimethyl-18-norandrosta-4,13-diene-3-one; 17,17-Dimethyl-18-nor-4,13-androstadien-3-one; 17,17-Dimethyl-18-nor-4,13-androstadiene-3-one; 17,17-Dimethyl-18-nor-4,13-androstadien-3-one (Steroid Intermediate)
EINECS	Contact for details

Quality Control

Our 17,17-Dimethyl-18-Norandrosta-4,13-Dien-3-One is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets stringent specifications for use as a pharmaceutical intermediate. A Certificate of Analysis (COA) detailing purity, identity, and related substances is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials and sources of ignition.

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%
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.