# Schedules of Controlled Substances: Temporary Placement of 5,6-Dichloro Brorphine, 5,6-Dichloro Desmethylchlorphine, N-Propionitrile Chlorphine, and Spirochlorphine in Schedule I of the Controlled Substances Act

**Action Urgency Score:** 30/100

| Field | Value |
|---|---|
| Agency | Justice Department; Drug Enforcement Administration |
| Type | Final rule |
| Action | Temporary amendment; temporary scheduling order. |
| Published | 2026-08-27 |
| Effective | 2026-08-27 |
| Significant | No |
| CFR parts | 21 CFR 1308 |
| Summary | The Drug Enforcement Administration (DEA) issues this temporary order to schedule 1-(1-(1-(4-bromophenyl)ethyl)piperidin-4- yl)-5,6-dichloro-1,3-dihydro-2H-benzo[d]imidazol-2-one (commonly known as 5,6-dichloro brorphine or SR-14968); 5,6-dichloro-1-(1-(4- chlorobenzyl)piperidin-4-yl)-1,3-dihydro-2H-benzo[d]imidazol-2-one (commonly known as 5,6-dichloro desmethylchlorphine or SR-17018); 3-(3- (1-(1-(4-chlorophenyl)ethyl)piperidin-4-yl)-2-oxo-2,3-dihydro-1H- benzo[d]imidazol-1-yl)propanenitrile (commonly known as N-propionitrile chlorphine or cychlorphine); and 8-(1-(4-chlorophenyl)ethyl)-1-phe |
| Document number | 2026-17531 |

## Why this score
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/08/27/2026-17531/schedules-of-controlled-substances-temporary-placement-of-56-dichloro-brorphine-56-dichloro). Last refreshed: 2026-11-04T21:40:49.974Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.