DEA schedule
Is mercaptopurine a controlled substance?
Federal schedule for mercaptopurine from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Mercaptopurine is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and mercaptopurine is not on the DEA controlled substances list.
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Schedule check
| Source | What it lists |
|---|---|
| FDA NDC directory | 7 prescription listings from 4 labelers, none with a DEA schedule |
| DEA controlled substances list | mercaptopurine is not on the list |
Mercaptopurine NDC listings
| NDC | Product | Form | Strength | Labeler | DEA schedule |
|---|---|---|---|---|---|
| 71921-150 | Mercaptopurine | tablet | 50 mg/1 | Florida Pharmaceutical Products, LLC | None |
| 62484-0020 | PURIXAN | suspension | 20 mg/mL | Nova Laboratories, Ltd | None |
| 0054-0879 | MERCAPTOPURINE | suspension | 20 mg/mL | Hikma Pharmaceuticals USA Inc. | None |
| 0054-4582 | MERCAPTOPURINE | suspension | 20 mg/mL | Hikma Pharmaceuticals USA Inc. | None |
| 62484-1020 | MERCAPTOPURINE | suspension | 20 mg/mL | Nova Laboratories, Ltd | None |
| 0054-4581 | Mercaptopurine | tablet | 50 mg/1 | Hikma Pharmaceuticals USA Inc. | None |
| 51407-983 | Mercaptopurine | tablet | 50 mg/1 | Golden State Medical Supply, Inc. | None |
Questions
Is mercaptopurine a controlled substance?
No. Mercaptopurine is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and mercaptopurine is not on the DEA controlled substances list.
Is mercaptopurine a narcotic?
No. Mercaptopurine is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic. Its FDA established pharmacologic class is Nucleoside Metabolic Inhibitor.
Does this page cover state schedules?
No. This page reports the federal schedule only. Some states schedule drugs on their own; check your state board of pharmacy.