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3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-

CAS 6358-49-2

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

Molecular structure of 6358-49-2
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

CAS6358-49-2
PubChem CIDNot recorded
DTXSIDDTXSID00884266
FormulaC11H11N5O3
Mol. Weight261.241 g/mol
SMILESCC1=NNC(=O)C1N=NC1=CC=C(C)C=C1[N+]([O-])=O

Data Sources

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Brief citations

3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-2-nitrophenyl)diazenyl]- (CAS 6358-49-2) https://chemicalindependence.com/chemical/6358-49-2/ EPA TSCA Inventory: CAS 6358-49-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory