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Item No. 20126

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REQUEST YOURSDespropionyl ortho-fluorofentanyl (Item No. 20126) is an analytical reference material that is structurally similar to known opioids. Despropionyl ortho-fluorofentanyl is a precursor to ortho-fluorofentanyl, ortho-fluorobutyryl fentanyl, and ocfentanil and a potential impurity in illicit preparations of this class of compounds. It is also a potential metabolite of these compounds based on the published metabolism of fentanyl.1,2,3,4,5 At the time despropionyl ortho-fluorofentanyl (Item No. 20126) was made available for purchase, specific metabolism data had not been published. Contact us if updated information on this molecule is now available. This product is intended for research and forensic applications.
WARNING This product is not for human or veterinary use.
1. Methods for preparing fentanyl and fentanyl intermediates. Patent Application Publication US2013/0281702A1, (2013).
2. In vitro and in vivo metabolite identification studies for the new synthetic opioids acetylfentanyl, acrylfentanyl, furanylfentanyl, and 4-
3. Fentanyl metabolism by human hepatic and intestinal cytochrome P450 3A4: Implications for interindividual variability in disposition, efficacy, and drug interactions. Drug Metab. Dispos. 25(9), 1072-1079 (1997).
4. Identification and analytical properties of acetyl fentanyl metabolites. J. Anal. Chem. 70(2), 216-224 (2015).
5. Studies on the metabolism of the fentanyl-