Meprobamate

Drug ingredient

CAS 57-53-4

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

US productionNot reported

Import value, 2024$314K

Top sourceChina 52%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

Where It Comes From

Customs basis: HS 292411 · exact

Source Countries

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

CN 52%ChinaMY 45%MalaysiaJP 3%Japan

5 FDA-registered drug labelers

Alembic Pharmaceuticals Inc.

Alembic Pharmaceuticals Limited

Cipla USA Inc.

Harman Finochem Limited

Symed Labs Limited

Why It Matters

Sectors

Health

Downstream Uses

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

•Meprobamate

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

CAS57-53-4

PubChem CID4064

DTXSIDDTXSID3023261

FormulaC9H18N2O4

Mol. Weight218.25 g/mol

SMILESCCCC(C)(COC(=O)N)COC(=O)N

Data Sources

PubChem · compound 4064Retrieved 2026-04-07
EPA TSCA InventoryRetrieved 2026-04-24
FDA National Drug Code directoryRetrieved 2026-04-07
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Meprobamate (CAS 57-53-4) https://chemicalindependence.com/chemical/57-53-4/ PubChem: 4064. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/4064 EPA TSCA Inventory: CAS 57-53-4. Retrieved 2026-04-24. https://www.epa.gov/tsca-inventory FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/ US Census international trade: HS 292411 for CAS 57-53-4. Reporting year: 2024. https://usatrade.census.gov/