Active ingredient
Mercaptopurine
7 finished FDA listings contain Mercaptopurine as their only active ingredient.
FDA NDC Directory
- Ingredient names as written by FDA
- MERCAPTOPURINE
- Dosage forms
- Suspension, Tablet
- Routes
- Oral
- Manufacturers / labelers
- 4
- Strengths listed
- 20 mg/ml · 50 mg/1
RxNorm (National Library of Medicine)
Ingredient concept RxCUI 103
Drugs@FDA applications
Linked only where the FDA listing’s application number matches Drugs@FDA exactly. A listing in the NDC Directory does not by itself mean FDA approval.
| Application | Sponsor | Original approval | Listings |
|---|---|---|---|
| NDA 009053 | STASON PHARMS | 1953-09-11 | 1 |
| ANDA 040528 | HIKMA | 2004-02-13 | 2 |
| NDA 205919 | NOVA LABS LTD | 2014-04-28 | 2 |
| ANDA 216418 | HIKMA | 2025-02-26 | 2 |
Official labeling on DailyMed
- MERCAPTOPURINE SUSPENSION [HIKMA PHARMACEUTICALS USA INC.] · version 3 · 2026-08-10
- MERCAPTOPURINE SUSPENSION [NOVA LABORATORIES, LTD] · version 6 · 2026-07-22
- PURIXAN SUSPENSION [NOVA LABORATORIES, LTD] · version 30 · 2026-07-22
- MERCAPTOPURINE SUSPENSION [HIKMA PHARMACEUTICALS USA INC.] · version 4 · 2026-03-19
- MERCAPTOPURINE TABLET [GOLDEN STATE MEDICAL SUPPLY, INC.] · version 1 · 2026-02-27
- MERCAPTOPURINE TABLET [FLORIDA PHARMACEUTICAL PRODUCTS, LLC] · version 1 · 2026-02-06
- MERCAPTOPURINE TABLET [HIKMA PHARMACEUTICALS USA INC.] · version 14 · 2025-03-17
Sources: FDA NDC Directory (2026-09-29), RxNorm, Drugs@FDA, DailyMed. Each source’s facts are shown separately as published.