Acetyl fentanyl (hydrochloride) (CRM) (Item No. ISO60128) is a certified reference material categorized as an opioid. Acetyl fentanyl is regulated as a Schedule I compound in the United States. Acetyl fentanyl (hydrochloride) (CRM) (Item No. ISO60128) is provided as a DEA exempt preparation. This product is intended for research and forensic applications.