# Schedules of Controlled Substances: Extension of Temporary Placement of beta-Hydroxythiofentanyl in Schedule I of the Controlled Substances Act
> **Rule** · Temporary rule; temporary scheduling order; extension. · Published 2018-05-10 · 83 FR 21834
## Document
- **Document number:** 2018-10009
- **Category:** scheduling
- **Type:** Rule
- **Action:** Temporary rule; temporary scheduling order; extension.
- **Citation:** 83 FR 21834
- **Publication date:** 2018-05-10
## Abstract

The Acting Administrator of the Drug Enforcement Administration is issuing this temporary scheduling order to extend the temporary schedule I status of beta-hydroxythiofentanyl (N-[1-[2- hydroxy-2-(thiophen-2-yl)ethyl]piperidin-4-yl]-N-phenylpropionamide) also known as N-[1-[2-hydroxy-2-(2-thienyl)ethyl]-4-piperidinyl]-N- phenylpropanamide including its isomers, esters, ethers, salts and salts of isomers, esters and ethers. The schedule I status of beta- hydroxythiofentanyl currently is in effect through May 12, 2018. This temporary order will extend the temporary scheduling of beta- hydroxythiofentanyl for one year, or until the permanent scheduling action for this substance is completed, whichever occurs first.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2018/05/10/2018-10009/schedules-of-controlled-substances-extension-of-temporary-placement-of-beta-hydroxythiofentanyl-in)
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