DEA schedule
Is propylthiouracil a controlled substance?
Federal schedule for propylthiouracil from the FDA NDC directory, checked against the DEA controlled substances list.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
No. Propylthiouracil is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and propylthiouracil is not on the DEA controlled substances list.
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Schedule check
| Source | What it lists |
|---|---|
| FDA NDC directory | 8 prescription listings from 7 labelers, none with a DEA schedule |
| DEA controlled substances list | propylthiouracil is not on the list |
Propylthiouracil NDC listings
| NDC | Product | Form | Strength | Labeler | DEA schedule |
|---|---|---|---|---|---|
| 67253-651 | Propylthiouracil | tablet | 50 mg/1 | Par Health USA, LLC | None |
| 68084-964 | Propylthiouracil | tablet | 50 mg/1 | American Health Packaging | None |
| 0480-9242 | Propylthiouracil | tablet | 50 mg/1 | Teva Pharmaceuticals, Inc. | None |
| 33342-314 | Propylthiouracil | tablet | 50 mg/1 | Macleods Pharmaceuticals Limited | None |
| 62135-606 | Propylthiouracil | tablet | 50 mg/1 | Chartwell RX, LLC | None |
| 70752-171 | PROPYLTHIOURACIL | tablet | 50 mg/1 | QUAGEN PHARMACEUTICALS LLC | None |
| 71335-2901 | PROPYLTHIOURACIL | tablet | 50 mg/1 | Bryant Ranch Prepack | None |
| 72162-2072 | PROPYLTHIOURACIL | tablet | 50 mg/1 | Bryant Ranch Prepack | None |
Questions
Is propylthiouracil a controlled substance?
No. Propylthiouracil is not a federally controlled substance. None of its FDA NDC listings carries a DEA schedule, and propylthiouracil is not on the DEA controlled substances list.
Is propylthiouracil a narcotic?
No. Propylthiouracil is not on the DEA controlled substances list, so the DEA does not classify it as a narcotic. Its FDA established pharmacologic class is Thyroid Hormone Synthesis 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.