β-Hydroxythiofentanyl-d5 (hydrochloride) (exempt preparation) from Cayman Chemical

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Cayman Chemical for
β-Hydroxythiofentanyl-d5 (hydrochloride) (exempt preparation)

Description

An internal standard for the quantification of β-hydroxythiofentanyl by GC- or LC-MS; provided as an exempt preparation; intended for research and forensic applications