ortho-Methylfentanyl-d5 (hydrochloride) (exempt preparation) (Item No. 43538) is intended for use as an internal standard for the quantification of ortho-methylfentanyl (Item Nos. 22634 | 36372) by GC- or LC-MS. ortho-Methylfentanyl is categorized as an opioid.1 ortho-Methylfentanyl-d5 is regulated as a Schedule I compound in the United States. ortho-Methylfentanyl-d5 (hydrochloride) (exempt preparation) (Item No. 43538) 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.
