# 2025-15177: DEA Hands Dipentylone Its Own VIP Spot on the Naughty Drug List

2025-15177, Specific Listing for Dipentylone, a Currently Controlled Schedule I Substance, is a Federal Register rule from Justice Department, Drug Enforcement Administration published 2025-08-08, effective right away (as of 2026-06-11).

- Canonical: https://policyrisk.com/federal-register/2025-15177
- As of: 2026-06-11
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2025-15177
- Title: Specific Listing for Dipentylone, a Currently Controlled Schedule I Substance
- Type: Rule
- Agencies: Justice Department; Drug Enforcement Administration
- Citation: 90 FR 38396
- Published: 2025-08-08
- Effective: right away
- Comments close: not stated
- Significant: no
- Touches household money: no
- Regulation identifier numbers: none
- Last updated: 2026-06-11

## In one line

DEA Hands Dipentylone Its Own VIP Spot on the Naughty Drug List

## Summary

The DEA is giving dipentylone its own official spot on the list of the most tightly controlled drugs (Schedule I). This means dipentylone is now clearly recognized and tracked separately from similar drugs. People who make, sell, or use this drug will need to follow these updated rules right away, but there’s no new cost involved.

## Abstract

The Drug Enforcement Administration (DEA) is establishing a specific listing and DEA Controlled Substances Code Number (drug code) for 1-(1,3-benzodioxol-5-yl)-2-(dimethylamino)pentan-1-one (dipentylone; N,N-dimethylpentylone) in schedule I of the Controlled Substances Act (CSA). Although dipentylone is not specifically listed in schedule I of the CSA with its own unique drug code, it is a schedule I controlled substances in the United States because it is a positional isomer of N-ethylpenthylone (controlled August 31, 2018), which is a schedule I hallucinogen. Therefore, DEA is simply amending the schedule I hallucinogenic substances list in its regulations to separately include dipentylone.

## Effects PRIA read

- Dipentylone Added to Schedule I: cost, low. The DEA has added 1-(1,3-benzodioxol-5-yl)-2-(dimethylamino)pentan-1-one (dipentylone; N,N-dimethylpentylone) as a separately listed Schedule I controlled substance with its own DEA drug code. Dipentylone is now explicitly listed apart from its positional isomer N-ethylpenthylone (which was control…

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## Sources
- [2025-15177 on federalregister.gov](https://www.federalregister.gov/documents/2025/08/08/2025-15177/specific-listing-for-dipentylone-a-currently-controlled-schedule-i-substance)
- [2025-15177 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2025-08-08/pdf/2025-15177.pdf)

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Source: PRIA, https://policyrisk.com/federal-register/2025-15177 (as of 2026-06-11).