zonisamide
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
34 FDA-registered drug labelers
Advanced Rx of Tennessee, LLC
Advanced Rx Pharmacy of Tennessee, LLC
Advanz Pharma (US) Corp.
Alivus Life Sciences Limited
American Health Packaging
Aurobindo Pharma Limited
AvPAK
AX Pharmaceutical Corp
Azurity Pharmaceuticals, Inc.
BluePoint Laboratories
Bryant Ranch Prepack
Cipla USA Inc.
COHANCE LIFESCIENCES LIMITED
Darmerica, LLC
Dipharma Francis Srl
Direct_Rx
EMNAR PHANMA PRIVATE LIMITED
Exelan Pharmaceuticals, Inc.
Glenmark Pharmaceuticals Inc., USA
Hetero Labs Limited
Juzen Chemical Corporation
Maithri Drugs Private Limited
MEDISCA Inc.
NCS HealthCare of KY, LLC dba Vangard Labs
Preferred Pharmaceuticals Inc
Professional Compounding Centers of America dba PCCA
Proficient Rx LP
REMEDYREPACK INC.
SKYEPHARMA PRODUCTION SAS
Sumitomo Pharma Co., Ltd.
SUN PHARMACEUTICAL INDUSTRIES, INC.
Unichem Pharmaceuticals (USA), Inc.
Viona Pharmaceuticals Inc
Zydus Lifesciences Limited
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Zonisamide
- •Zonegran
- •Zonisade
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
$3.42/gAaron Chemicals LLC
CountryHong Kong
Pack$342.00 / 100 g
Purity98%
Vendors27 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
26 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 | $3.67 | 100 g | 98% |
| Combi-Blocks, Inc. | United States | $5.35 | 100 g | 98% |
| A2B Chem LLC | United States | $5.70 | 100 g | 99% |
| AA BLOCKS | United States | $6.02 | 100 g | 99% |
| BLD Pharmatech GmbH | Germany | $7.07 | 100 g | 99% |
| BLD Pharmatech Ltd. | China | $7.07 | 100 g | 99% |
| Chemscene | United States | $7.10 | 100 g | — |
| BLD Pharmatech Co., Limited | United States | $7.78 | 100 g | 99% |
| Ambeed, Inc. | United States | $7.78 | 100 g | 99% |
| AstaTech, Inc | United States | $19.80 | 5 g | 98% |
| Fulfilled by Molport | Latvia | $80.00 | 100 mg | 98% |
| AK Scientific, Inc. | United States | $116.00 | 1 g | 98% |
| Interbioscreen | Hong Kong | $150.00 | 10 g | 95% |
| Angene International Limited | United States | $214.00 | 1 g | 98% |
| Molnova | China | $242.00 | 500 mg | 99% |
| TargetMol Chemicals | China → United States | $268.00 | 500 mg | 99.99% |
| Apexbio Technology LLC | United States | $276.00 | 500 mg | 99.91% |
| MedChemExpress MCE | Sweden | $406.56 | 500 mg | 99.95% |
| AK Scientific Specialized | United States | $496.00 | 500 mg | 98% |
| Cayman Europe | Estonia | $605.71 | 1 g | 98% |
| MedKoo Biosciences, Inc | United States | $690.00 | 5 g | 98% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Princeton BioMolecular Research (SC) | United States | $8000.00 | 15 mg | 90% |
| Key Organics Ltd. | United Kingdom | $8500.00 | 10 mg | 97% |
| Vitas M Chemical Limited | Hong Kong | $9000.00 | 10 mg | 90% |
| CliniSciences GmbH | Switzerland | $9288.00 | 10 mg | 99% |
Chemical Identity
CAS68291-97-4
PubChem CID5734
DTXSIDDTXSID9046023
FormulaC8H8N2O3S
Mol. Weight212.23 g/mol
SMILESC1=CC=C2C(=C1)C(=NO2)CS(=O)(=O)N
Data Sources
57342026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/zonisamide/cids/JSON
Archive: data/sources/pubchem_name/zonisamide.json
CAS 68291-97-42026-04-25
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