# (1-pentyl-1H-indol-3-yl)(2,2,3,3-tetramethylcyclopropyl)methanone (UR-144) — Federal controlled substance schedule (I-V) by drug, with DEA code number For (1-pentyl-1H-indol-3-yl)(2,2,3,3-tetramethylcyclopropyl)methanone (UR-144), schedule is Schedule I; listed under is Hallucinogenic substances; dea code number is 7144; cfr citation is 21 CFR 1308.11(d)(48), recorded from its source on 2026-09-01. - **Substance:** (1-pentyl-1H-indol-3-yl)(2,2,3,3-tetramethylcyclopropyl)methanone (UR-144) _(verified: appears in the quote below)_ - **Schedule:** Schedule I _(verified: appears in its own passage below)_ - **Listed under:** Hallucinogenic substances _(verified: appears in its own passage below)_ - **DEA code number:** 7144 _(verified: appears in the quote below)_ - **CFR citation:** 21 CFR 1308.11(d)(48) _(our reading, not quoted from the source)_ ## What the source says > (48) (1-pentyl-1H-indol-3-yl)(2,2,3,3-tetramethylcyclopropyl)methanone (UR-144) | (7144) | ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Schedule > § 1308.11 Schedule I. ### Listed under > (d) Hallucinogenic substances. ## Source - https://www.ecfr.gov/current/title-21/chapter-II/part-1308 Last verified: 2026-09-01. Review by: 2026-12-30. Part of [Federal controlled substance schedule (I-V) by drug, with DEA code number](https://referencesource.org/dea-controlled-substance-schedule-by-drug/).