montelukast sodium
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
48 FDA-registered drug labelers
A-S Medication Solutions
Accord Healthcare Inc.
Ajanta Pharma USA Inc.
American Health Packaging
Amneal Pharmaceuticals LLC
Aphena Pharma Solutions - Tennessee, LLC
Aurobindo Pharma Limited
AvKARE
AvPAK
BluePoint Laboratories
Bryant Ranch Prepack
Camber Pharmaceuticals, Inc.
Cardinal Health 107, LLC
Chartwell RX, LLC
Direct_Rx
Dr. Reddy's Laboratories Limited
Hetero Drugs Limited
Lannett Company, Inc.
Laurus Labs Limited
Macleods Pharmaceutical Limited
Macleods Pharmaceuticals Limited
Major Pharmaceuticals
Matrix Pharmacorp Private Limited
Morepen Laboratories Limited
MSD International GmbH
MSN Pharmachem Private Limited
NuCare Pharmaceuticals, Inc.
Organon LLC
ORGANON PHARMA (UK) LIMITED
Patheon Manufacturing Services LLC
PD-Rx Pharmaceuticals, Inc.
PEL HEALTHCARE LLC
Preferred Pharmaceuticals Inc.
Professional Compounding Centers of America
Professional Compounding Centers of America dba PCCA
Proficient Rx LP
Quallent Pharmaceuticals Health LLC
Redpharm Drug
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Sandoz Inc
Teva API India Private Ltd
Torrent Pharmaceuticals Limited
Unichem Laboratories Limited, India
Unichem Pharmaceuticals (USA), Inc.
Westminster Pharmaceuticals, LLC
XLCare Pharmaceuticals Inc.
Zenfold Sustainable Technologies Private Limited
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •montelukast sodium
- •Montelukast
- •Singulair
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 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).
to be discontinued
Montelukast Sodium Tablet, Chewable
11/17/2025Vendor Pricing
$4.80/gCombi-Blocks, Inc.
CountryUnited States
Pack$480.00 / 100 g
Purity97%
Vendors26 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
25 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 | $5.12 | 100 g | 98% |
| AA BLOCKS | United States | $5.40 | 100 g | 98% |
| Ambeed, Inc. | United States | $7.80 | 25 g | 98% |
| BLD Pharmatech Co., Limited | United States | $7.80 | 25 g | 98% |
| BLD Pharmatech GmbH | Germany | $7.80 | 25 g | 98% |
| BLD Pharmatech Ltd. | China | $7.80 | 25 g | 98% |
| Manchester Organics | United Kingdom | $9.31 | 25 g | — |
| MedKoo Biosciences, Inc | United States | $11.70 | 500 g | 98% |
| AK Scientific, Inc. | United States | $17.64 | 25 g | 98% |
| Aaron Chemicals LLC | Hong Kong | $21.32 | 25 g | 98% |
| Angene Chemical | China → Hong Kong | $22.80 | 25 g | 98% |
| Angene International Limited | United States | $28.48 | 25 g | 98% |
| Fulfilled by Molport | Latvia | $56.00 | 250 mg | 98% |
| AstaTech, Inc | United States | $78.80 | 5 g | 95% |
| Molnova | China | $238.00 | 500 mg | 99% |
| TargetMol Chemicals | China → United States | $264.00 | 500 mg | 99.89% |
| MedChemExpress MCE | Sweden | $399.30 | 500 mg | 99.84% |
| Apexbio Technology LLC | United States | $660.00 | 250 mg | 98.04% |
| Axon Medchem | Netherlands | $1680.00 | 50 mg | 99% |
| Cayman Europe | Estonia | $1877.82 | 500 mg | 98% |
| Otava, Ltd. (2 weeks) | Ukraine | $2724.00 | 50 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $3170.00 | 100 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Key Organics Ltd. | United Kingdom | $11800.00 | 10 mg | 97% |
| TimTec, LLC (back-ordered) | United States | $33333.33 | 15 mg | 94% |
Chemical Identity
CAS151767-02-1
PubChem CID23663996
DTXSIDDTXSID8046450
FormulaC35H35ClNNaO3S
Mol. Weight608.2 g/mol
SMILESCC(C)(C1=CC=CC=C1CCC(C2=CC=CC(=C2)C=CC3=NC4=C(C=CC(=C4)Cl)C=C3)SCC5(CC5)CC(=O)[O-])O.[Na+]
Data Sources
236639962026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/montelukast sodium/cids/JSON
Archive: data/sources/pubchem_name/montelukast sodium.json
CAS 151767-02-12026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 151767-02-12026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json