riluzole
Drug ingredientActive ShortageThis drug ingredient is in active FDA shortage. At least one manufacturer cannot meet demand.
Where It Comes From
12 FDA-registered drug labelers
Alivus Life Sciences Limited
Aquestive Therapeutics
Ascend Laboratories, LLC
AvKARE
EDW PHARMA
EDW PHARMA, INC
FARMAK, A.S.
Glenmark Pharmaceuticals Inc., USA
Hetero Drugs Limited
ScinoPharm Taiwan Ltd.
SUN PHARMACEUTICAL INDUSTRIES, INC.
Syn-Tech Chem. & Pharm. Co., Ltd.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Riluzole
- •Teglutik
- •Tiglutik
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."
Active 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).
current
Riluzole Oral Suspension
01/26/2024Unavailable
current
Riluzole Oral Suspension
01/26/2024Available
Vendor Pricing
$0.70/gA2B Chem LLC
CountryUnited States
Pack$14.00 / 20 g
Purity98%
Vendors39 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
38 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 |
|---|---|---|---|---|
| AA BLOCKS | United States | $0.72 | 25 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $0.73 | 100 g | 99% |
| Angene Chemical | China → Hong Kong | $0.79 | 100 g | 99% |
| Chemscene | United States | $0.83 | 100 g | — |
| AstaTech, Inc | United States | $0.87 | 100 g | 96% |
| Combi-Blocks, Inc. | United States | $0.87 | 100 g | 98% |
| Fluorochem EU | Germany | $1.02 | 100 g | 97% |
| Fluorochem UK | United Kingdom | $1.09 | 25 g | 97% |
| Ambeed, Inc. | United States | $1.16 | 25 g | 97% |
| Angene International Limited | United States | $2.05 | 100 g | 98% |
| AK Scientific Specialized | United States | $2.50 | 100 g | 95% |
| AK Scientific, Inc. | United States | $3.86 | 100 g | 98% |
| MedKoo Biosciences, Inc | United States | $5.95 | 1 kg | 98% |
| ALFA AESAR | Germany | $12.86 | 25 g | 98% |
| ChemDiv, Inc. | United States | $18.00 | 50 g | 90% |
| Fulfilled by Molport | Latvia | $20.00 | 250 mg | 97% |
| Apollo Scientific UK | United Kingdom | $21.00 | 1 g | 97% |
| Interbioscreen | Hong Kong | $51.00 | 10 g | 95% |
| Life Chemicals Inc. | Ukraine → Canada | $72.00 | 250 mg | 95% |
| Molnova | China | $141.00 | 1 g | 99% |
| TargetMol Chemicals | China → United States | $157.00 | 1 g | 99.88% |
| MedChemExpress MCE | Sweden | $261.36 | 1 g | 99.8% |
| Apexbio Technology LLC | United States | $440.00 | 500 mg | 99.39% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Sigma-Aldrich (Rush Stock) | Germany | $1055.50 | 300 mg | — |
| Sigma-Aldrich | Germany | $1055.50 | 300 mg | — |
| Cayman Europe | Estonia | $1582.70 | 100 mg | 98% |
| CliniSciences GmbH | Switzerland | $1909.20 | 100 mg | 98% |
| Axon Medchem | Netherlands | $1920.00 | 50 mg | 100% |
| Eximed | Ukraine | $2680.00 | 50 mg | 90% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Princeton BioMolecular Research (SC) | United States | $2900.00 | 100 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| Asinex | Netherlands | $6461.40 | 100 mg | 90% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| TimTec, LLC | United States | $9333.33 | 30 mg | 90% |
| ChemBridge Corporation (rush stock) | United States | $13600.00 | 5 mg | 90% |
Chemical Identity
CAS1744-22-5
PubChem CID5070
DTXSIDDTXSID3045192
FormulaC8H5F3N2OS
Mol. Weight234.2 g/mol
SMILESC1=CC2=C(C=C1OC(F)(F)F)SC(=N2)N
Data Sources
50702026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/riluzole/cids/JSON
Archive: data/sources/pubchem_name/riluzole.json
CAS 1744-22-52026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 1744-22-52026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json