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Cyanic acid, C,C'-[methylenebis(2,6-dimethyl-4,1-phenylene)] ester, polymer with C,C'-[(1-methylethylidene)di-4,1-phenylene] dicyanate

CAS 117158-43-7

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

Molecular structure of 117158-43-7
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

CAS117158-43-7
PubChem CIDNot recorded
DTXSIDDTXSID20922311
FormulaC36H32N4O4
Mol. Weight584.676 g/mol
SMILESCC(C)(C1=CC=C(OC#N)C=C1)C1=CC=C(OC#N)C=C1.CC1=CC(CC2=CC(C)=C(OC#N)C(C)=C2)=CC(C)=C1OC#N

Data Sources

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Brief citations

Cyanic acid, C,C'-[methylenebis(2,6-dimethyl-4,1-phenylene)] ester, polymer with C,C'-[(1-methylethylidene)di-4,1-phenylene] dicyanate (CAS 117158-43-7) https://chemicalindependence.com/chemical/117158-43-7/ EPA TSCA Inventory: CAS 117158-43-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory