Hexanedioic acid, polymer with 1,4-butanediol, 1,4-cyclohexanedimethanol and 1,1'-methylenebis[4-isocyanatobenzene]

CAS 50821-59-5

EPA and Census publish no US supply data for this chemical.

Molecular structure of 50821-59-5
US productionNot reported
Top sourceNo public record

EPA exempts this chemical from its production survey.

Why supply is unknown

Where 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

CAS50821-59-5
PubChem CIDNot recorded
DTXSIDDTXSID701012817
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

Hexanedioic acid, polymer with 1,4-butanediol, 1,4-cyclohexanedimethanol and 1,1'-methylenebis[4-isocyanatobenzene] (CAS 50821-59-5) https://chemicalindependence.com/chemical/50821-59-5/ EPA TSCA Inventory: CAS 50821-59-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory