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Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, 3,12,16,17-tetrachloro-

CAS 6373-20-2

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

Molecular structure of 6373-20-2
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

CAS6373-20-2
PubChem CIDNot recorded
DTXSIDDTXSID7064287
FormulaC34H12Cl4O2
Mol. Weight594.27 g/mol
SMILESClC1=CC2=C(C=C1)C1=CC(Cl)=C3C4=C5C(=CC=C6C(=O)C7=C(C=CC(Cl)=C7)C(C=C4Cl)=C56)C4=C3C1=C(C=C4)C2=O

Data Sources

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Brief citations

Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, 3,12,16,17-tetrachloro- (CAS 6373-20-2) https://chemicalindependence.com/chemical/6373-20-2/ EPA TSCA Inventory: CAS 6373-20-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory