phenytoin
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
21 FDA-registered drug labelers
American Health Packaging
ATLANTIC BIOLOGICALS CORP.
B.V. KATWIJK CHEMIE
Harman Finochem Limited
LETCO MEDICAL, LLC
Major Pharmaceuticals
Mylan Pharmaceuticals Inc.
NCS HealthCare of KY, LLC dba Vangard Labs
PAI Holdings, LLC dba PAI Pharma
Parke-Davis Div of Pfizer Inc
Pharmacia and Upjohn Company LLC
Prasco Laboratories
Professional Compounding Centers of America
Professional Compounding Centers of America dba PCCA
RECORDATI INDUSTRIA CHIMICA E FARMACEUTICA SPA
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Spectrum Laboratory Products, Inc.
Sun Pharmaceutical Industries, Inc.
Swati Spentose Private Limited
Viatris Specialty LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 4 drug and cosmetic product listings (FDA).
- •Phenytoin
- •Phenytoin Infatabs
- •Dilantin-125
- •Dilantin Infatabs
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
$0.16/gAaron Chemicals LLC
CountryHong Kong
Pack$82.00 / 500 g
Purity99%
Vendors28 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
27 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 |
|---|---|---|---|---|
| A2B Chem LLC | United States | $0.19 | 500 g | 99% |
| Angene Chemical | China → Hong Kong | $0.20 | 250 g | 99% |
| AA BLOCKS | United States | $0.24 | 500 g | 99% |
| ALFA AESAR | Germany | $0.28 | 500 g | 99% |
| AstaTech, Inc | United States | $0.37 | 250 g | 95% |
| Sigma-Aldrich (Rush Stock) | Germany | $0.68 | 100 g | 98% |
| Sigma-Aldrich | Germany | $0.68 | 100 g | 98% |
| Angene International Limited | United States | $0.72 | 500 g | 98% |
| Cayman Europe | Estonia | $0.73 | 250 g | 98% |
| Fluorochem UK | United Kingdom | $0.74 | 25 g | 99% |
| MedKoo Biosciences, Inc | United States | $4.60 | 100 g | 98% |
| Fulfilled by Molport | Latvia | $5.00 | 1 g | 99% |
| Ambeed, Inc. | United States | $5.00 | 5 g | 99% |
| Apexbio Technology LLC | United States | $16.00 | 5 g | 99.89% |
| MedChemExpress MCE | Sweden | $26.62 | 5 g | 99.95% |
| Molnova | China | $45.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $50.00 | 1 g | 99.95% |
| Interbioscreen | Hong Kong | $51.00 | 10 g | 95% |
| TargetMol Chemicals EU | Austria | $74.00 | 500 mg | 99.95% |
| Labotest KG | Germany | $217.80 | 5000 mg | 90% |
| Maybridge, Ltd. | United Kingdom | $2414.30 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $4020.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $4200.00 | 50 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| Life Chemicals Inc. | Ukraine → Canada | $5400.00 | 25 mg | 90% |
| Asinex | Netherlands | $6461.40 | 100 mg | 90% |
| TimTec, LLC | United States | $14666.67 | 30 mg | 90% |
Chemical Identity
CAS57-41-0
PubChem CID1775
DTXSIDDTXSID8020541
FormulaC15H12N2O2
Mol. Weight252.27 g/mol
SMILESC1=CC=C(C=C1)C2(C(=O)NC(=O)N2)C3=CC=CC=C3
Data Sources
17752026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/phenytoin/cids/JSON
Archive: data/sources/pubchem_name/phenytoin.json
CAS 57-41-02026-04-25
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