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Butabarbital

Drug ingredient

CAS 125-40-6

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

Molecular structure of 125-40-6
US productionNot reported
Import value, 2024$6M
Top sourceBelgium 33%

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 293353 · basket

These shares come from HS customs code 293353, which covers 10 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
BE 33%BelgiumIN 21%IndiaHU 20%HungaryCN 14%ChinaDE 13%Germany
1 FDA-registered drug labeler
Chattem Chemicals, Inc.

Why It Matters

Sectors
Health
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS125-40-6
PubChem CID2479
DTXSIDDTXSID2022709
FormulaC10H16N2O3
Mol. Weight212.25 g/mol
SMILESCCC(C)C1(C(=O)NC(=O)NC1=O)CC

Data Sources

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Brief citations

Butabarbital (CAS 125-40-6) https://chemicalindependence.com/chemical/125-40-6/ PubChem: 2479. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/2479 FDA National Drug Code directory: CAS 125-40-6. 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 293353 for CAS 125-40-6. Reporting year: 2024. https://usatrade.census.gov/