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Chemical Characterization of an Emerging Designer Steroid, 6-Bromo-androst-4-en-3,17-dione, via NMR and LC-HRMS and GC-HRMS

delete2026-06-18
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PRE
AI
G
Genye He *
S
Sisi Zhu
X
Xin Liu
Z
Zhanliang Wang
L
Lisi Zhang
J
Jianghai Lu *
J
Jing Li *
DOI:10.1002/dta.70105delete
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Abstract

Abstract

En 中文
A package of raw material, deliberately mislabelled as a muscle-building supplement, was obtained online to contain an unknown steroid. In order to accurately identify the composition of the substance, we used a combination of advanced techniques: liquid and gas chromatography coupled with high-resolution mass spectrometry (GC-HRMS and LC-HRMS), alongside nuclear magnetic resonance (NMR) spectroscopy. By combining the strengths of these methods, we successfully identified the compound as 6-Bromo-androst-4-en-3,17-dione (6-BrAED). This substance is a designer steroid of testosterone that is not currently on the World Anti-Doping Agency (WADA) prohibited list. As it is unlisted, there is a serious hidden risk that athletes could take it by accident through contaminated supplements.
Keywords:
6-bromo-androst-4-en-3,17-dione
degradation
doping
steroids

Journal

D
Drug Testing and Analysis
IF:
2.7
Papers:
127
Citations:
0

Organization

B
Beijing Sport University
Scholars:
2.5K
Papers: 1.4K
Citations: 793
C
china agricultural university
Scholars:
4.9W
Papers: 2.9W
Citations: 43
C
China Anti-Doping Agency
Scholars:
7
Papers: 4
Citations: 24
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