# Etizolam (Other name: 4-(2-chlorophenyl)-2-ethyl-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine) — Federal controlled substance schedule (I-V) by drug, with DEA code number

For Etizolam (Other name: 4-(2-chlorophenyl)-2-ethyl-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine), schedule is Schedule I; listed under is Depressants; dea code number is 2780; cfr citation is 21 CFR 1308.11(e)(3), recorded from its source on 2026-09-01.

- **Substance:** Etizolam (Other name: 4-(2-chlorophenyl)-2-ethyl-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine) _(verified: appears in the quote below)_
- **Schedule:** Schedule I _(verified: appears in its own passage below)_
- **Listed under:** Depressants _(verified: appears in its own passage below)_
- **DEA code number:** 2780 _(verified: appears in the quote below)_
- **CFR citation:** 21 CFR 1308.11(e)(3) _(our reading, not quoted from the source)_

## What the source says

> (3) Etizolam (Other name: 4-(2-chlorophenyl)-2-ethyl-9-methyl-6H-thieno[3,2-f][1,2,4]triazolo[4,3-a][1,4]diazepine) | 2780 |

## 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

> (e) Depressants.

## 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/).