clozapine
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
21 FDA-registered drug labelers
Accord Healthcare Inc.
American Health Packaging
Aurobindo Pharma Limited
AX Pharmaceutical Corp
Bryant Ranch Prepack
Cambrex Profarmaco Milano Srl
Cardinal Health 107, LLC
Cohance Lifesciences Limited
HLS Therapeutics (USA), Inc.
Major Pharmaceuticals
Matrix Pharmacorp Private Limited
Medichem S.A.
Mylan Institutional Inc.
Mylan Pharmaceuticals Inc.
Patheon Manufacturing Services LLC
R.L.Fine Chem Private Limited
Safecor Health LLC
Shouguang Fukang Phamaceutical Co., Ltd.
SMS Pharmaceuticals Limited
Teva Pharmaceuticals USA, Inc.
TruPharma LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 3 drug and cosmetic product listings (FDA).
- •Clozapine
- •Versacloz
- •Clozaril
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
$0.65/gAaron Chemicals LLC
CountryHong Kong
Pack$327.00 / 500 g
Purity98%
Vendors20 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
19 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 | $0.66 | 500 g | 98% |
| A2B Chem LLC | United States | $0.87 | 500 g | 99.93% |
| AA BLOCKS | United States | $1.14 | 500 g | 98% |
| Biopharma PEG Scientific Inc. | United States | $2.50 | 100 g | 98% |
| Fulfilled by Molport | Latvia | $10.00 | 500 mg | 99% |
| AK Scientific Specialized | United States | $47.40 | 5 g | 95% |
| AK Scientific, Inc. | United States | $66.40 | 5 g | 98% |
| Angene International Limited | United States | $109.00 | 5 g | 98% |
| Interbioscreen | Hong Kong | $129.00 | 10 g | 95% |
| AstaTech, Inc | United States | $277.00 | 1 g | 97% |
| MedChemExpress MCE | Sweden | $537.24 | 1 g | 99.84% |
| Cayman Europe | Estonia | $618.80 | 500 mg | 98% |
| TargetMol Chemicals | China → United States | $920.00 | 100 mg | 99.95% |
| CliniSciences GmbH | Switzerland | $1225.50 | 100 mg | 99% |
| Sigma-Aldrich (Rush Stock) | Germany | $2407.55 | 1 g | — |
| Sigma-Aldrich | Germany | $2407.55 | 1 g | — |
| Axon Medchem | Netherlands | $2640.00 | 50 mg | 99% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 99% |
| Key Organics Ltd. | United Kingdom | $6900.00 | 10 mg | 97% |
Chemical Identity
CAS5786-21-0
PubChem CID135398737
DTXSIDDTXSID5022855
FormulaC18H19ClN4
Mol. Weight326.8 g/mol
SMILESCN1CCN(CC1)C2=NC3=C(C=CC(=C3)Cl)NC4=CC=CC=C42
Data Sources
1353987372026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/clozapine/cids/JSON
Archive: data/sources/pubchem_name/clozapine.json
CAS 5786-21-02026-04-25
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