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DEA Places Synthetic Opioids Into Schedule I

The Drug Enforcement Administration permanently placed the synthetic opioids cyclopentyl fentanyl, isobutyryl fentanyl, para-chloroisobutyryl fentanyl, para-methoxybutyryl fentanyl and valeryl fentanyl into Schedule I of the Controlled Substances Act, in a final rule published Nov. 25. The substances had been temporarily…

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listed in Schedule I since 2018. The final rule takes effect Nov. 25.