5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-diisocyanatomethylbenzene and 1,1'-methylenebis[4-isocyanatobenzene]
CAS 75543-87-2
EPA and Census publish no US supply data for this chemical.
US productionNot reported
Top sourceNo public record
EPA exempts this chemical from its production survey.
Why supply is unknownWhere It Comes From
EPA and Census publish no US supply data for this chemical.
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
CAS75543-87-2
PubChem CIDNot recorded
DTXSIDDTXSID701013372
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,3-diisocyanatomethylbenzene and 1,1'-methylenebis[4-isocyanatobenzene] (CAS 75543-87-2) https://chemicalindependence.com/chemical/75543-87-2/ EPA TSCA Inventory: CAS 75543-87-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory