# 8-(1-(4-chlorophenyl)ethyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one, its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers (Other names: spirochlorphine; R-6890) — Federal controlled substance schedule (I-V) by drug, with DEA code number

For 8-(1-(4-chlorophenyl)ethyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one, its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers (Other names: spirochlorphine; R-6890), schedule is Schedule I; listed under is Temporary listing of substances subject to emergency scheduling; dea code number is 9093; temporary listing expires is Aug. 27, 2028; cfr citation is 21 CFR 1308.11(h)(95), recorded from its source on 2026-09-01.

- **Substance:** 8-(1-(4-chlorophenyl)ethyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one, its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers (Other names: spirochlorphine; R-6890) _(verified: appears in the quote below)_
- **Schedule:** Schedule I _(verified: appears in its own passage below)_
- **Listed under:** Temporary listing of substances subject to emergency scheduling _(verified: appears in its own passage below)_
- **DEA code number:** 9093 _(verified: appears in the quote below)_
- **Temporary listing expires:** Aug. 27, 2028 _(verified: appears in its own passage below)_
- **CFR citation:** 21 CFR 1308.11(h)(95) _(our reading, not quoted from the source)_

## What the source says

> (95) 8-(1-(4-chlorophenyl)ethyl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one, its isomers, esters, ethers, salts, and salts of isomers, esters, and ethers (Other names: spirochlorphine; R-6890) | 9093 |

## 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

> (h) Temporary listing of substances subject to emergency scheduling.

### Temporary listing expires

> adding paragraphs (h)(92) through (h)(95), effective Aug. 27, 2026 through Aug. 27, 2028

## 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/).