Benzo[h]benz[5,6]acridino[2,1,9,8-klmna]acridine-8,16-dione

CAS 475-71-8

Molecular structure of 475-71-8
US productionNot reported
Import value, 2024$9M
Top sourceIndia 67%

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

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 320415 · basket

These shares come from HS customs code 320415, which covers 10 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 67%IndiaCN 14%ChinaNL 9%NetherlandsJP 5%JapanID 2%Indonesia

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$1.16/gAaron Chemicals LLC
CountryHong Kong
Pack$116.00 / 100 g
Purity98%
Vendors15 available

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

Chemical Identity

CAS475-71-8
PubChem CIDNot recorded
DTXSIDDTXSID6060056
FormulaC28H12N2O2
Mol. Weight408.416 g/mol
SMILESO=C1C2=CC=CC=C2C2=NC3=CC=C4C(=O)C5=CC=CC=C5C5=NC6=CC=C1C2=C6C3=C45

Data Sources

Brief citations

Benzo[h]benz[5,6]acridino[2,1,9,8-klmna]acridine-8,16-dione (CAS 475-71-8) https://chemicalindependence.com/chemical/475-71-8/ EPA TSCA Inventory: CAS 475-71-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 320415 for CAS 475-71-8. Reporting year: 2024. https://usatrade.census.gov/