mercaptopurine
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
9 FDA-registered drug labelers
Aarti Pharmalabs Limited
Fermion Oy
Florida Pharmaceutical Products, LLC
Golden State Medical Supply, Inc.
Hikma Pharmaceuticals USA Inc.
Mylan Pharmaceuticals Inc.
Nova Laboratories, Ltd
Professional Compounding Centers of America
Zhejiang Cheng Yi Pharmaceutical Co., Ltd.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Mercaptopurine
- •Purixan
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No FDA shortage records
Vendor Pricing
$0.72/gAK Scientific Specialized
CountryUnited States
Pack$360.00 / 500 g
Purity95%
Vendors13 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
12 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| AK Scientific, Inc. | United States | $0.96 | 500 g | 98% |
| Angene Chemical | China → Hong Kong | $0.98 | 100 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $1.01 | 100 g | 98% |
| A2B Chem LLC | United States | $1.04 | 500 g | 95% |
| Angene International Limited | United States | $1.55 | 500 g | 95% |
| AA BLOCKS | United States | $2.10 | 10 g | 95% |
| AstaTech (2 weeks) | United States | $8.54 | 50 g | 95% |
| TargetMol Chemicals | China → United States | $119.00 | 1 g | 99.94% |
| TargetMol Chemicals EU | Austria | $166.00 | 500 mg | 99.94% |
| Interbioscreen | Hong Kong | $170.00 | 10 g | 95% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
CAS50-44-2
PubChem CID667490
DTXSIDDTXSID0020810
FormulaC5H4N4S
Mol. Weight152.18 g/mol
SMILESC1=NC2=C(N1)C(=S)N=CN2
Data Sources
6674902026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/mercaptopurine/cids/JSON
Archive: data/sources/pubchem_name/mercaptopurine.json
CAS 50-44-22026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json