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

CAS 103329-95-9

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

Molecular structure of 103329-95-9
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

CAS103329-95-9
PubChem CIDNot recorded
DTXSIDDTXSID001343095
FormulaC28H38N4O
Mol. Weight446.639 g/mol
SMILESCCCCCCCCCCCCC1=CC=C(C=C1)N=NC1C(C)=NN(C1=O)C1=CC=CC=C1

Data Sources

Brief citations

3H-Pyrazol-3-one, 4-[2-(4-dodecylphenyl)diazenyl]-2,4-dihydro-5-methyl-2-phenyl- (CAS 103329-95-9) https://chemicalindependence.com/chemical/103329-95-9/ EPA TSCA Inventory: CAS 103329-95-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory