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Capsules that were labeled to be performance-enhancing dietary supplements obtained during an investigation were found to contain an unrecognized steroid-like substance. This compound was isolated by liquid chromatography (LC) fraction… Click to show full abstract
Capsules that were labeled to be performance-enhancing dietary supplements obtained during an investigation were found to contain an unrecognized steroid-like substance. This compound was isolated by liquid chromatography (LC) fraction collection and characterized using several qualitative analytical techniques, including ultraviolet (UV) spectroscopy, gas chromatography-mass spectrometry (GC-MS), liquid chromatography-high resolution accurate mass-mass spectrometry (LC-HRAM-MS), as well as 1 H, 13 C, and two-dimensional nuclear magnetic resonance (NMR) spectrometry. This multi-technique analytical approach was used to identify the designer steroid as 6β-chloro-4-androsten-17β-ol-3-one (6β-chlorotestosterone), an analog of testosterone about which little has been published.
Journal Title: Drug testing and analysis
Year Published: 2019
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