List of Schedule I controlled substances (U.S.)

This is the list of Schedule I controlled substances in the United States as defined by the Controlled Substances Act.^[1] The following findings are required for substances to be placed in this schedule:^[2]

The drug or other substance has a high potential for abuse.
The drug or other substance has no currently accepted medical use in treatment in the United States.
There is a lack of accepted safety for use of the drug or other substance under medical supervision.

Except as specifically authorized, it is illegal for any person:

to manufacture, distribute, or dispense, or possess with intent to manufacture, distribute, or dispense, a controlled substance; or
to create, distribute, dispense, or possess with intent to distribute or dispense, a counterfeit substance.^[3]

Additional substances are added to the list by the Secretary of Health and Human Services pursuant to 21 CFR 1308.49.^[4]^[5]

The complete list of Schedule I substances is as follows.^[1] The Administrative Controlled Substances Code Number for each substance is included.

^ ^a ^b 21 CFR 1308.11 Archived 2009-08-27 at the Wayback Machine (CSA Sched I) with changes through 77 FR 64032 (Oct 18, 2012). Retrieved September 6, 2013.
^ 21 U.S.C. § 812(b)(1) United States Code via Cornell University's Legal Information Institute. Retrieved on 2007-10-02.
^ Drug Enforcement Administration (DEA) (22 Jan 2002). "Title 21 — Food and Drugs Chapter 13 - Drug Abuse Prevention and Control Subchapter I — Control and Enforcement Part D — Offenses and Penalties: Sec. 841. Prohibited Acts A(a)". Archived from the original on 26 September 2009. Retrieved 23 Oct 2009.
^ Code of Federal Regulations, 2012-04-01
^ The first 8 items in the temporary section of the schedule shown on the DEA website are not included here because they are duplicates of entries in the tables above. Presumably, this is because they were made permanent and copied there at some point, but inadvertently not deleted from this temporary listing section.

[DOJ_1308.11-1] 21 CFR 1308.11 Archived 2009-08-27 at the Wayback Machine (CSA Sched I) with changes through 77 FR 64032 (Oct 18, 2012). Retrieved September 6, 2013.

[2] 21 U.S.C. § 812(b)(1) United States Code via Cornell University's Legal Information Institute. Retrieved on 2007-10-02.

[3] Drug Enforcement Administration (DEA) (22 Jan 2002). "Title 21 — Food and Drugs Chapter 13 - Drug Abuse Prevention and Control Subchapter I — Control and Enforcement Part D — Offenses and Penalties: Sec. 841. Prohibited Acts A(a)". Archived from the original on 26 September 2009. Retrieved 23 Oct 2009.

[4] Code of Federal Regulations, 2012-04-01

[Temp_dups-5] The first 8 items in the temporary section of the schedule shown on the DEA website are not included here because they are duplicates of entries in the tables above. Presumably, this is because they were made permanent and copied there at some point, but inadvertently not deleted from this temporary listing section.

[1]

[2]

[3]

[4]

[5]