Oxazepam

Drug ingredient

CAS 604-75-1

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

US productionNot reported

Import value, 2024$10M

Top sourceItaly 73%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293391 · basket

These shares come from HS customs code 293391, which covers 14 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

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

IT 73%ItalyIN 21%IndiaIL 4%IsraelFI 1%Finland

China
Switzerland
Germany

10 FDA-registered drug labelers

Actavis Pharma, Inc.

American Health Packaging

Aphena Pharma Solutions - Tennessee, LLC

Cambrex Profarmaco Milano Srl

Centaur Pharmaceuticals Private Limited

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

KALINTIS HEALTHCARE PRIVATE LIMITED

Leading Pharma, LLC

R.L.Fine Chem Private Limited

TruPharma, LLC

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Oxazepam

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

CAS604-75-1

PubChem CID4616

DTXSIDDTXSID1021087

FormulaC15H11ClN2O2

Mol. Weight286.71 g/mol

SMILESC1=CC=C(C=C1)C2=NC(C(=O)NC3=C2C=C(C=C3)Cl)O

Data Sources

PubChem · compound 4616Retrieved 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

Oxazepam (CAS 604-75-1) https://chemicalindependence.com/chemical/604-75-1/ PubChem: 4616. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/4616 FDA National Drug Code directory: CAS 604-75-1. 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 293391 for CAS 604-75-1. Reporting year: 2024. https://usatrade.census.gov/