# 2-Methyl AP-237 (1-(2-methyl-4-(3-phenylprop-2-en-1-yl)piperazin-1-yl)butan-1-one) — Federal controlled substance schedule (I-V) by drug, with DEA code number For 2-Methyl AP-237 (1-(2-methyl-4-(3-phenylprop-2-en-1-yl)piperazin-1-yl)butan-1-one), schedule is Schedule I; listed under is Opiates; dea code number is 9664; cfr citation is 21 CFR 1308.11(b)(64), recorded from its source on 2026-09-01. - **Substance:** 2-Methyl AP-237 (1-(2-methyl-4-(3-phenylprop-2-en-1-yl)piperazin-1-yl)butan-1-one) _(verified: appears in the quote below)_ - **Schedule:** Schedule I _(verified: appears in its own passage below)_ - **Listed under:** Opiates _(verified: appears in its own passage below)_ - **DEA code number:** 9664 _(verified: appears in the quote below)_ - **CFR citation:** 21 CFR 1308.11(b)(64) _(our reading, not quoted from the source)_ ## What the source says > (64) 2-Methyl AP-237 (1-(2-methyl-4-(3-phenylprop-2-en-1-yl)piperazin-1-yl)butan-1-one) | 9664 | ## 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 > (b) Opiates. ## 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/).