primidone
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
27 FDA-registered drug labelers
Actavis Pharma, Inc.
Advagen Pharma Limited
American Health Packaging
Amneal Pharmaceuticals LLC
Amneal Pharmaceuticals of New York LLC
Aphena Pharma Solutions - Tennessee, LLC
AvKARE
AvPAK
Azico Biophore India Private Limited
Bausch Health US, LLC
Bryant Ranch Prepack
Carnegie Pharmaceuticals LLC
Chartwell RX, LLC
DIRECT RX
Dr. Reddy's Laboratories Limited
Golden State Medical Supply, Inc
Lannett Company, Inc.
Nantong Jinghua Pharmaceutical Co., Ltd.
NCS HealthCare of KY, LLC dba Vangard Labs
NorthStar Rx LLC
Oxford Pharmaceuticals, LLC
PD-Rx Pharmaceuticals, Inc.
Proficient Rx LP
Siegfried (Nantong) Pharmaceuticals Co, Ltd
Siegfried AG
Spectrum Laboratory Products, Inc.
TruPharma LLC.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Primidone
- •Mysoline
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
$1.31/gAaron Chemicals LLC
CountryHong Kong
Pack$131.00 / 100 g
Purity98%
Vendors22 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
21 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 | $1.34 | 100 g | 98% |
| A2B Chem LLC | United States | $3.60 | 25 g | 98% |
| AA BLOCKS | United States | $4.60 | 25 g | 98% |
| Fulfilled by Molport | Latvia | $5.00 | 1 g | 98% |
| AK Scientific, Inc. | United States | $5.72 | 25 g | 98% |
| Angene International Limited | United States | $10.20 | 25 g | 98% |
| Sigma-Aldrich (Rush Stock) | Germany | $15.18 | 5 g | — |
| Sigma-Aldrich | Germany | $15.18 | 5 g | — |
| MedKoo Biosciences, Inc | United States | $47.50 | 20 g | 98% |
| TargetMol Chemicals US | United States | $148.00 | 500 mg | 99.91% |
| AstaTech, Inc | United States | $178.00 | 1 g | 99% |
| AK Scientific Specialized | United States | $278.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $330.00 | 100 mg | 99.91% |
| CliniSciences GmbH | Switzerland | $348.30 | 100 mg | 99% |
| Molnova | China | $370.00 | 100 mg | 99% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| MedChemExpress MCE | Sweden | $496.10 | 100 mg | 99.96% |
| Apexbio Technology LLC | United States | $630.00 | 100 mg | 99.59% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 90% |
Chemical Identity
CAS125-33-7
PubChem CID4909
DTXSIDDTXSID7023510
FormulaC12H14N2O2
Mol. Weight218.25 g/mol
SMILESCCC1(C(=O)NCNC1=O)C2=CC=CC=C2
Data Sources
49092026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/primidone/cids/JSON
Archive: data/sources/pubchem_name/primidone.json
CAS 125-33-72026-04-25
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