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2-Naphthalenesulfonic acid, 7-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]-4-hydroxy-3-[2-(4-methoxy-2-sulfophenyl)diazenyl]-, sodium salt (1:?)

CAS 85391-83-9

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

Molecular structure of 85391-83-9
2 Na⁺
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

CAS85391-83-9
PubChem CIDNot recorded
DTXSIDDTXSID40905000
FormulaC21H12ClF2N5Na2O8S2
Mol. Weight645.9 g/mol
SMILES[Na+].[Na+].COC1=CC=C(\N=N\C2=C(C=C3C=C(NC4=NC(F)=NC(F)=C4Cl)C=CC3=C2O)S([O-])(=O)=O)C(=C1)S([O-])(=O)=O

Data Sources

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Brief citations

2-Naphthalenesulfonic acid, 7-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]-4-hydroxy-3-[2-(4-methoxy-2-sulfophenyl)diazenyl]-, sodium salt (1:?) (CAS 85391-83-9) https://chemicalindependence.com/chemical/85391-83-9/ EPA TSCA Inventory: CAS 85391-83-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory