chlorthalidone
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
52 FDA-registered drug labelers
A-S Medication Solutions
Actavis Pharma, Inc.
Ajanta Pharma USA Inc.
Alembic Pharmaceuticals Inc.
Alembic Pharmaceuticals Limited
American Health Packaging
Amneal Pharmaceuticals LLC
Amoli Organics (A Division of Umedica Laboratories Pvt.Ltd.)
ANI Pharmaceuticals, Inc.
Aphena Pharma Solutions - Tennessee, LLC
Ascend Laboratories, LLC
AvPAK
Azurity Pharmaceuticals, Inc. (formerly Arbor Pharmaceuticals)
Bryant Ranch Prepack
Casper Pharma LLC
Chartwell RX, LLC
Chromo Laboratories India Private Limited
Coupler LLC
CTX Lifesciences Pvt. Ltd.
Curia Italy S.r.l.
Direct_Rx
Dr. Reddy's Laboratories Inc.
Honour Lab Limited
Ingenus Pharmaceuticals, LLC
Ipca Laboratories Limited
JUBILANT CADISTA PHARMACEUTICALS,INC.
Lifestar Pharma LLC
Maithri Drugs Private Limited
Major Pharmaceuticals
MARLEX PHARMACEUTICALS, INC
MSN Life Sciences Private Limited
Mylan Institutional Inc.
Mylan Pharmaceuticals Inc.
Nivagen Pharmaceuticals, INC.
Northstar Rx LLC.
Northwind Health Company, LLC
PD-Rx Pharmaceuticals, Inc.
Pharma Packaging Solutions, LLC dba Tjoapack LLC
Preferred Pharmaceuticals Inc.
Proficient Rx LP
REMEDYREPACK INC.
Rising Pharma Holdings, Inc.
Safecor Health, LLC
Sun Pharmaceutical Industries, Inc.
TAGI Pharma, Inc.
Takeda Ireland Limited
Takeda Pharmaceutical Co LTD
Unichem Laboratories Limited, India
Unichem Pharmaceuticals (USA), Inc.
Upsher-Smith Laboratories, LLC
Zydus Lifesciences Limited
Zydus Pharmaceuticals USA Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 7 drug and cosmetic product listings (FDA).
- •Chlorthalidone
- •Atenolol AND Chlorthalidone
- •Chlorthalidone Chlorthalidone
- •Thalitone
- •Tenoretic
- •Hemiclor
- •Edarbyclor
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
$2.50/gCombi-Blocks, Inc.
CountryUnited States
Pack$250.00 / 100 g
Purity97%
Vendors17 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
16 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 | $2.70 | 100 g | 97% |
| AA BLOCKS | United States | $2.85 | 100 g | 97% |
| AK Scientific Specialized | United States | $3.43 | 100 g | 95% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| MedChemExpress MCE | Sweden | $798.60 | 250 mg | 99.76% |
| Sigma-Aldrich (Rush Stock) | Germany | $2610.40 | 200 mg | — |
| Sigma-Aldrich | Germany | $2610.40 | 200 mg | — |
| AK Scientific, Inc. | United States | $2760.00 | 100 mg | 98% |
| Molnova | China | $2840.00 | 50 mg | 99% |
| MedKoo Biosciences, Inc | United States | $3800.00 | 250 mg | 98% |
| Princeton BioMolecular Research (SC) | United States | $5000.00 | 30 mg | 90% |
| Vitas M Chemical Limited | Hong Kong | $5133.33 | 30 mg | 90% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
| ChemDiv, Inc. | United States | $7666.67 | 15 mg | 90% |
| Cayman Europe | Estonia | $9781.80 | 50 mg | 98% |
| TimTec, LLC | United States | $14666.67 | 30 mg | 90% |
Chemical Identity
CAS77-36-1
PubChem CID2732
DTXSIDDTXSID4022812
FormulaC14H11ClN2O4S
Mol. Weight338.8 g/mol
SMILESC1=CC=C2C(=C1)C(=O)NC2(C3=CC(=C(C=C3)Cl)S(=O)(=O)N)O
Data Sources
27322026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/chlorthalidone/cids/JSON
Archive: data/sources/pubchem_name/chlorthalidone.json
CAS 77-36-12026-04-25
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