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Dinaphtho[2,3-i:2',3'-i']benzo[1,2-a:4,5-a']dicarbazole-5,7,12,17,19,24(6H,18H)-hexone

CAS 2172-33-0

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

Molecular structure of 2172-33-0
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.

Vendor Pricing

$0.25/gAaron Chemicals LLC
CountryHong Kong
Pack$127.00 / 500 g
PurityNot recorded
Vendors1 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS2172-33-0
PubChem CIDNot recorded
DTXSIDDTXSID8062232
FormulaC42H18N2O6
Mol. Weight646.614 g/mol
SMILESO=C1C2=CC=CC=C2C(=O)C2=C1C=CC1=C2NC2=C1C=CC1=C2C(=O)C2=C(C3=C(C=C2)C2=C(N3)C3=C(C=C2)C(=O)C2=CC=CC=C2C3=O)C1=O

Data Sources

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Brief citations

Dinaphtho[2,3-i:2',3'-i']benzo[1,2-a:4,5-a']dicarbazole-5,7,12,17,19,24(6H,18H)-hexone (CAS 2172-33-0) https://chemicalindependence.com/chemical/2172-33-0/ EPA TSCA Inventory: CAS 2172-33-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory