meta-Fluorobutyryl fentanyl (hydrochloride) (exempt preparation) (Item No. 39595) is an analytical reference standard that is structurally similar to known opioids. meta-Fluorobutyryl fentanyl is regulated as a Schedule I compound in the United States. meta-Fluorobutyryl fentanyl (hydrochloride) (exempt preparation) (Item No. 39595) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.WARNING This product is not for human or veterinary use.
