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3-Pyridinecarbonitrile, 5-[2-(4-chloro-2-nitrophenyl)diazenyl]-1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-

CAS 70528-90-4

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

Molecular structure of 70528-90-4
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

CAS70528-90-4
PubChem CIDNot recorded
DTXSIDDTXSID0072069
FormulaC15H12ClN5O4
Mol. Weight361.74 g/mol
SMILESCCN1C(O)=C(N=NC2=C(C=C(Cl)C=C2)[N+]([O-])=O)C(C)=C(C#N)C1=O

Data Sources

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Brief citations

3-Pyridinecarbonitrile, 5-[2-(4-chloro-2-nitrophenyl)diazenyl]-1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo- (CAS 70528-90-4) https://chemicalindependence.com/chemical/70528-90-4/ EPA TSCA Inventory: CAS 70528-90-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory