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Pyridinium, 4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[1-methyl-, 4-methylbenzenesulfonate (1:4)

CAS 36951-72-1

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

Molecular structure of 36951-72-1
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

CAS36951-72-1
PubChem CIDNot recorded
DTXSIDDTXSID701369296
FormulaC72H66N8O12S4
Mol. Weight1363.6 g/mol
SMILESCC1=CC=C(C=C1)S([O-])(=O)=O.CC1=CC=C(C=C1)S([O-])(=O)=O.CC1=CC=C(C=C1)S([O-])(=O)=O.CC1=CC=C(C=C1)S([O-])(=O)=O.C[N+]1=CC=C(C=C1)C1=C2\C=CC(=N2)\C(=C2/N\C(\C=C2)=C(/C2=N/C(/C=C2)=C(\C2=CC=C\1N2)C1=CC=[N+](C)C=C1)C1=CC=[N+](C)C=C1)\C1=CC=[N+](C)C=C1

Data Sources

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Brief citations

Pyridinium, 4,4',4'',4'''-(21H,23H-porphine-5,10,15,20-tetrayl)tetrakis[1-methyl-, 4-methylbenzenesulfonate (1:4) (CAS 36951-72-1) https://chemicalindependence.com/chemical/36951-72-1/ EPA TSCA Inventory: CAS 36951-72-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory