β-Hydroxythiofentanyl-d5 (hydrochloride) is an analytical reference material intended for use as an internal standard for the quantification of β-hydroxythiofentanyl by GC- or LC-MS. β-Hydroxythiofentanyl is categorized as an opioid.1 β-Hydroxythiofentanyl-d5 is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.
1.Henderson, G.L.Designer drugs: Past history and future prospectsJ.Forensic Sci.33(2)569-575(1988)
















