allopurinol
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
56 FDA-registered drug labelers
A-S Medication Solutions
Accord Healthcare Inc.
Actavis Pharma, Inc.
Advanced Rx of Tennessee, LLC
Advanced Rx Pharmacy of Tennessee, LLC
American Health Packaging
Aphena Pharma Solutions - Tennessee, LLC
Aurobindo Pharma Limited
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Cardinal Health 107, LLC
Chartwell RX, LLC
Coupler LLC
Dasami Lab Private Limited
Direct_Rx
Dr. Reddy's Laboratories Limited
Exemed Pharmaceuticals
Florida Pharmaceutical Products, LLC
Hainan Poly Pharm. Co., Ltd.
Haleos Labs Limited
Harman Finochem Limited
Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.
Hetero Drugs Limited
Indoco Remedies Limited
IOL Chemicals and Pharmaceuticals Ltd.
Ipca Laboratories Limited
Leading Pharma, LLC
Major Pharmaceuticals
Mylan Institutional Inc.
Mylan Pharmaceuticals Inc.
NCS HealthCare of KY, LLC dba Vangard Labs
NorthStar RxLLC
Northwind Health Company, LLC
NuCare Pharmaceuticals, Inc.
Par Health USA, LLC
PD-Rx Pharmaceuticals, Inc.
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Professional Compounding Centers of America dba PCCA
Proficient Rx LP
Redpharm Drug
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Safecor Health, LLC
SICOR Societa' Italiana Corticosteroidi s.r.l.
Spectrum Laboratory Products, Inc.
ST. MARY'S MEDICAL PARK PHARMACY
Sun Pharmaceutical Industries, Inc.
Supriya Lifescience Limited
Unichem Laboratories Limited, India
Unichem Pharmaceuticals (USA), Inc.
Uquifa Spain
Willow Birch Pharma, LLC
XLCare Pharmaceuticals Inc.
Zydus Lifesciences Limited
Zydus Pharmaceuticals (USA) Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Allopurinol
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 Shortage
Shortage History
Each row is a separate manufacturer's FDA shortage filing — not a timeline for the drug as a whole. Multiple "current" entries are normal: each manufacturer/NDC files independently. Status reflects the manufacturer's report; reason describes their supply situation (Available, Unavailable, or to be discontinued).
to be discontinued
Allopurinol Tablet
02/19/2026Vendor Pricing
$0.09/gAaron Chemicals LLC
CountryHong Kong
Pack$47.00 / 500 g
Purity97%
Vendors8 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
7 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 |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.11 | 500 g | 97% |
| A2B Chem LLC | United States | $0.26 | 100 g | 98% |
| AA BLOCKS | United States | $0.31 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $0.36 | 1 kg | 97% |
| Cayman Europe | Estonia | $1.76 | 100 g | 98% |
| Angene International Limited | United States | $2.84 | 25 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 97% |
Chemical Identity
CAS315-30-0
PubChem CID135401907
DTXSIDDTXSID4022573
FormulaC5H4N4O
Mol. Weight136.11 g/mol
SMILESC1=NNC2=C1C(=O)NC=N2
Data Sources
1354019072026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/allopurinol/cids/JSON
Archive: data/sources/pubchem_name/allopurinol.json
CAS 315-30-02026-04-24
https://www.epa.gov/tsca-inventory
Archive: data/sources/tsca/tsca_inventory.csv
CAS 315-30-02026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json