# Schedules of Controlled Substances: Placement of beta-Hydroxythiofentanyl in Schedule I
> **Rule** · Final rule. · Published 2019-05-08 · 84 FR 20023
## Document
- **Document number:** 2019-09479
- **Category:** scheduling
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 84 FR 20023
- **Publication date:** 2019-05-08
## Abstract

With the issuance of this final rule, the Drug Enforcement Administration places 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-phenyl- propanamide, including its isomers, esters, ethers, salts, and salts of isomers, esters and ethers, in schedule I of the Controlled Substances Act. This rule continues the imposition of the regulatory controls and administrative, civil, and criminal sanctions applicable to schedule I controlled substances on persons who handle (manufacture, distribute, import, export, engage in research, conduct instructional activities or chemical analysis, or possess), or propose to handle beta-hydroxythiofentanyl.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2019/05/08/2019-09479/schedules-of-controlled-substances-placement-of-beta-hydroxythiofentanyl-in-schedule-i)
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