Biimidazole, 2,2',4,4'-tetrakis(2-chlorophenyl)-5,5'-bis(3,4-dimethoxyphenyl)-

CAS 233767-21-0

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

Molecular structure of 233767-21-0
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

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

CAS233767-21-0
PubChem CIDNot recorded
DTXSIDDTXSID10946046
FormulaC46H34Cl4N4O4
Mol. Weight848.6 g/mol
SMILESCOC1=C(OC)C=C(C=C1)C1=C(N=C(N1N1C(=NC(=C1C1=CC(OC)=C(OC)C=C1)C1=CC=CC=C1Cl)C1=CC=CC=C1Cl)C1=CC=CC=C1Cl)C1=CC=CC=C1Cl

Data Sources

Brief citations

Biimidazole, 2,2',4,4'-tetrakis(2-chlorophenyl)-5,5'-bis(3,4-dimethoxyphenyl)- (CAS 233767-21-0) https://chemicalindependence.com/chemical/233767-21-0/ EPA TSCA Inventory: CAS 233767-21-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory