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J Anal Toxicol. 2014 Mar;38(2):106-9. doi: 10.1093/jat/bkt121. Epub 2014 Jan 22.

Designer phenethylamines routinely found in human urine: 2-ethylamino-1-phenylbutane and 2-amino-1-phenylbutane.

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1
Redwood Toxicology Laboratory, 3650 Westwind Boulevard, Santa Rosa, CA 95403, USA.

Abstract

2-Ethylamino-1-phenylbutane (EAPB) and 2-amino-1-phenylbutane (APB) were identified by gas chromatography-mass spectrometry in multiple urine samples submitted for stimulant drug testing and screened positive for amphetamines by enzyme immunoassay. Forty-two samples from all over the USA were found, containing both analytes during a 3-month period May-July 2013. A sports dietary supplement 'CRAZE' has been determined to be one of the sources of EAPB supply. EAPB along with its suggested metabolite APB were detected in a urine sample, obtained from a person known to use 'CRAZE'.

PMID:
24451085
DOI:
10.1093/jat/bkt121
[Indexed for MEDLINE]
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