N-(4-fluorophenyl)-N-(1-phenethylpiperidin-4-yl)butanamide-d7,monohydrochloride

para-Fluorobutyryl fentanyl-d₇ (hydrochloride) (CRM) is intended for use as an internal standard for the quantification of para-fluorobutyryl fentanyl by GC- or LC-MS. para-Fluorobutyryl fentanyl is structurally similar to known opioids. It has been associated with fatal overdoses.¹ para-Fluorobutyryl fentanyl-d₇ is regulated as a Schedule I compound in the United States. para-Fluorobutyryl fentanyl-d₇ (hydrochloride) (CRM) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.

1. Danaceau, J.P., Wood, M., Ehlers, M.D., et al. Analysis of 17 fentanyls in plasma and blood by UPLC-MS/MS with interpretation of findings in surgical and postmortem casework Clin. Mass Spec. 18,38-47(2020).