Description

17-α-Ethynyl-19-Nortestosterone Acetate Oxime is a high-purity steroid derivative, specifically an oxime ester of a 19-nortestosterone analogue. This compound is a critical pharmaceutical intermediate valued for its role in the synthesis of more complex steroidal active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and pharmaceutical manufacturers engaged in the development and production of hormonal therapies and other specialized medicinal compounds.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of advanced steroidal drugs and prohormones.
• Research & Development: Used in academic and industrial laboratories for pharmacological studies and the development of new therapeutic agents.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.
• Chemical Synthesis: Utilized in organic chemistry research for exploring novel synthetic pathways and creating new chemical entities.

Basic Information

Product Name	17-α-Ethynyl-19-Nortestosterone Acetate Oxime
CAS No.	20799-24-0
Molecular Formula	C23H31NO3
Molecular Weight	369.50 g/mol
Synonyms	19-Nor-17α-ethynyltestosterone 3-acetate oxime; 17α-Ethynyl-19-nortestosterone 3-acetate oxime; 17α-Ethynylestr-4-en-17β-ol-3-one acetate oxime; Norethisterone acetate oxime; 19-Nor-17α-ethynyl-4-androsten-17β-ol-3-one acetate oxime; Ethynylestrenolone acetate oxime
EINECS	Contact for details

Quality Control

Our 17-α-Ethynyl-19-Nortestosterone Acetate Oxime is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon to maintain stability and purity.

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%
Residue on Ignition	≤ 0.1%

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