# difenoxin (21 CFR 1308.15(c)(6)) — Federal controlled substance schedule (I-V) by drug, with DEA code number For difenoxin (21 CFR 1308.15(c)(6)), substance is difenoxin; schedule is Schedule V; listed under is Narcotic drugs containing non-narcotic active medicinal ingredients; only when is Not more than 0.5 milligram of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit; cfr citation is 21 CFR 1308.15(c)(6), recorded from its source on 2026-09-01. - **Substance:** difenoxin _(verified: appears in the quote below)_ - **Schedule:** Schedule V _(verified: appears in its own passage below)_ - **Listed under:** Narcotic drugs containing non-narcotic active medicinal ingredients _(verified: appears in its own passage below)_ - **Only when:** Not more than 0.5 milligram of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit _(verified: appears in the quote below)_ - **CFR citation:** 21 CFR 1308.15(c)(6) _(our reading, not quoted from the source)_ ## What the source says > (6) Not more than 0.5 milligram of difenoxin and not less than 25 micrograms of atropine sulfate per dosage unit. ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Schedule > § 1308.15 Schedule V. ### Listed under > (c) Narcotic drugs containing non-narcotic active medicinal ingredients. ## 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/).