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2-Anthracenesulfonic acid, 4-[[4-(acetylamino)phenyl]amino]-1-amino-9,10-dihydro-9,10-dioxo-

CAS 6247-34-3

Molecular structure of 6247-34-3
US productionNot reported
Import value, 2024$872M
Top sourceSwitzerland 44%

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

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292429 · basket

These shares come from HS customs code 292429, which covers 203 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CH 44%SwitzerlandCN 19%ChinaIN 12%IndiaJP 9%JapanIE 6%Ireland

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS6247-34-3
PubChem CIDNot recorded
DTXSIDDTXSID7064158
FormulaC22H17N3O6S
Mol. Weight451.45 g/mol
SMILESCC(=O)NC1=CC=C(NC2=C3C(=O)C4=C(C=CC=C4)C(=O)C3=C(N)C(=C2)S(O)(=O)=O)C=C1

Data Sources

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Brief citations

2-Anthracenesulfonic acid, 4-[[4-(acetylamino)phenyl]amino]-1-amino-9,10-dihydro-9,10-dioxo- (CAS 6247-34-3) https://chemicalindependence.com/chemical/6247-34-3/ EPA TSCA Inventory: CAS 6247-34-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 292429 for CAS 6247-34-3. Reporting year: 2024. https://usatrade.census.gov/