1,3-Benzenedicarboxylic acid, polymer with hexanedioic acid and 3-methyl-1,5-pentanediol

CAS 156638-20-9

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

Molecular structure of 156638-20-9
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

CAS156638-20-9
PubChem CIDNot recorded
DTXSIDDTXSID801089075
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

1,3-Benzenedicarboxylic acid, polymer with hexanedioic acid and 3-methyl-1,5-pentanediol (CAS 156638-20-9) https://chemicalindependence.com/chemical/156638-20-9/ EPA TSCA Inventory: CAS 156638-20-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory