Clobazam

Drug ingredient

CAS 22316-47-8

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

US productionNot reported

Import value, 2024$1M

Top sourceItaly 50%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories.

Where It Comes From

Customs basis: HS 293372 · exact

Source Countries

Country of origin for US imports, from Census customs data (2024).

IT 50%ItalyDE 26%GermanyIN 24%India

26 FDA-registered drug labelers

American Health Packaging

Amneal Pharmaceuticals NY LLC

Aquestive Therapeutics

Ascend Laboratories, LLC

Aurobindo Pharma Limited

Bionpharma Inc.

Camber Pharmaceuticals, Inc.

CAMBREX PROFARMACO MILANO SRL

Catalent Pharma Solutions, LLC

Centaur Pharmaceuticals Private Limited

Chartwell RX, LLC

EUROAPI Germany GmbH

F.I.S. FABBRICA ITALIANA SINTETICI S.P.A.

Golden State Medical Supply, Inc.

Honour Lab Limited

Lundbeck Pharmaceuticals LLC

Lupin Pharmaceuticals, Inc.

Micro Labs Limited

MSN Life Sciences Private Limited

NorthStar RxLLC

Novadoz Pharmaceuticals LLC

Piramal Pharma Limited

Precision Dose, Inc.

Raks Pharma Pvt. Limited

Taro Pharmaceuticals U.S.A., Inc.

Upsher-Smith Laboratories, LLC

Why It Matters

Sectors

Health

Downstream Uses

Appears in 3 drug and cosmetic product listings (FDA).

•Clobazam
•Onfi
•Sympazan

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

Chemical Identity

CAS22316-47-8

PubChem CID2789

DTXSIDDTXSID2046759

FormulaC16H13ClN2O2

Mol. Weight300.74 g/mol

SMILESCN1C(=O)CC(=O)N(C2=C1C=CC(=C2)Cl)C3=CC=CC=C3

Data Sources

PubChem · compound 2789Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Clobazam (CAS 22316-47-8) https://chemicalindependence.com/chemical/22316-47-8/ PubChem: 2789. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/2789 FDA National Drug Code directory: CAS 22316-47-8. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 293372 for CAS 22316-47-8. Reporting year: 2024. https://usatrade.census.gov/