8,16-Pyranthrenedione

CAS 128-70-1

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

Molecular structure of 128-70-1
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.

Vendor Pricing

$37.32/gA2B Chem LLC (1 week)
CountryUnited States
Pack$933.00 / 25 g
Purity98%
Vendors2 available

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

Chemical Identity

CAS128-70-1
PubChem CIDNot recorded
DTXSIDDTXSID6059578
FormulaC30H14O2
Mol. Weight406.44 g/mol
SMILESO=C1C2=CC=CC=C2C2=CC3=CC=C4C(=O)C5=CC=CC=C5C5=CC6=CC=C1C2=C6C3=C45

Data Sources

Brief citations

8,16-Pyranthrenedione (CAS 128-70-1) https://chemicalindependence.com/chemical/128-70-1/ EPA TSCA Inventory: CAS 128-70-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory