Butanamide, N-(4-fluorophenyl)-N-[1-(2-phenylethyl)-4-piperidinyl]-, hydrochloride (1:1)

para-Fluorobutyryl fentanyl (hydrochloride) (CRM) (Item No. 19826) is a certified reference material that is structurally similar to known opioids. para-Fluorobutyryl fentanyl has been associated with fatal overdoses.1 para-Fluorobutyryl fentanyl is regulated as a Schedule I compound in the United States. This product is intended for research and forensic applications.WARNING This product is not for human or veterinary use.