thimerosal
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
2 FDA-registered drug labelers
BioActive Nutritional, Inc.
Deseret Biologicals, Inc.
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •VAXR HC
- •VAX
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
CAS54-64-8
PubChem CID16684434
DTXSIDDTXSID3025540
FormulaC9H9HgNaO2S
Mol. Weight404.82 g/mol
SMILESCC[Hg]SC1=CC=CC=C1C(=O)[O-].[Na+]
Data Sources
166844342026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/thimerosal/cids/JSON
Archive: data/sources/pubchem_name/thimerosal.json
CAS 54-64-82026-04-24
https://www.epa.gov/tsca-inventory
Archive: data/sources/tsca/tsca_inventory.csv
bulk match2026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json