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Benzenesulfonic acid, 5-[[4-(aminosulfonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulfonyl)-2-nitrophenyl]amino]phenyl]amino]-

CAS 12239-00-8

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

Molecular structure of 12239-00-8
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

CAS12239-00-8
PubChem CIDNot recorded
DTXSIDDTXSID80868049
FormulaC24H21N7O11S3
Mol. Weight679.65 g/mol
SMILESNS(=O)(=O)C1=CC(=C(NC2=CC=C(NC3=CC=C(NC4=CC=C(C=C4[N+]([O-])=O)S(N)(=O)=O)C=C3S(O)(=O)=O)C=C2)C=C1)[N+]([O-])=O

Data Sources

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Brief citations

Benzenesulfonic acid, 5-[[4-(aminosulfonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulfonyl)-2-nitrophenyl]amino]phenyl]amino]- (CAS 12239-00-8) https://chemicalindependence.com/chemical/12239-00-8/ EPA TSCA Inventory: CAS 12239-00-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory