clonazepam
Drug ingredientActive ShortageThis drug ingredient is in active FDA shortage. At least one manufacturer cannot meet demand.
Where It Comes From
35 FDA-registered drug labelers
A-S Medication Solutions
Accord Healthcare Inc.
Advagen Pharma Ltd
Advanced Rx of Tennessee, LLC
Advanced Rx Pharmacy of Tennessee, LLC
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
American Health Packaging
Aphena Pharma Solutions - Tennessee, LLC
Aurobindo Pharma Limited
AvPAK
Bryant Ranch Prepack
Cambrex Profarmaco Milano Srl
Cardinal Health 107, LLC
Centaur Pharmaceuticals Private Limited
Chartwell RX, LLC
Clinical Solutions Wholesale, LLC
Coupler LLC
DIRECT RX
F.I.S. FABBRICA ITALIANA SINTETICI S.P.A.
H2-Pharma, LLC
Major Pharmaceuticals
Northstar Rx LLC
NuCare Pharmaceuticals,Inc.
Par Health USA, LLC
PD-Rx Pharmaceuticals, Inc.
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Proficient Rx LP
R.L.Fine Chem Private Limited
REMEDYREPACK INC.
Solco Healthcare LLC
St Marys Medical Park Pharmacy
SUN PHARMACEUTICAL INDUSTRIES, INC.
Teva Pharmaceuticals USA, Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Clonazepam
- •Klonopin
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
Clonazepam Tablet
03/10/2023Available
current
Clonazepam Tablet
03/10/2023Information pending
current
Clonazepam Tablet
03/10/2023Limited Availability
current
Clonazepam Tablet
03/27/2023Available
Chemical Identity
CAS1622-61-3
PubChem CID2802
DTXSIDDTXSID1022845
FormulaC15H10ClN3O3
Mol. Weight315.71 g/mol
SMILESC1C(=O)NC2=C(C=C(C=C2)[N+](=O)[O-])C(=N1)C3=CC=CC=C3Cl
Data Sources
28022026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/clonazepam/cids/JSON
Archive: data/sources/pubchem_name/clonazepam.json
CAS 1622-61-32026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 1622-61-32026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json