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Barium oxalate

Drug ingredient

CAS 516-02-9

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

Molecular structure of 516-02-9
1 Ba²⁺
US productionNot reported
Import value, 2024$11M
Top sourceSpain 45%

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

Where It Comes From

Customs basis: HS 291711 · basket

These shares come from HS customs code 291711, which covers 29 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
ES 45%SpainCN 25%ChinaIN 10%IndiaTW 6%TaiwanIT 6%Italy
1 FDA-registered drug labeler
Deseret Biologicals, Inc.

Why It Matters

Sectors
Health
Downstream Uses

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

  • •Glucoreg
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS516-02-9
PubChem CID68201
DTXSIDDTXSID20883418
FormulaC2BaO4
Mol. Weight225.35 g/mol
SMILESC(=O)(C(=O)[O-])[O-].[Ba+2]

Data Sources

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Brief citations

Barium oxalate (CAS 516-02-9) https://chemicalindependence.com/chemical/516-02-9/ PubChem: 68201. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/68201 EPA TSCA Inventory: CAS 516-02-9. 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 291711 for CAS 516-02-9. Reporting year: 2024. https://usatrade.census.gov/