2-Benzofurancarboxaldehyde

CAS 4265-16-1

Molecular structure of 4265-16-1
US productionNot reported
Import value, 2024$3.5B
Top sourceIreland 57%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 293299 · basket

These shares come from HS customs code 293299, which covers 229 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IE 57%IrelandNL 24%NetherlandsCH 8%SwitzerlandCN 5%ChinaIT 2%Italy

Why It Matters

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

Chemical Identity

CAS4265-16-1
PubChem CIDNot recorded
DTXSIDDTXSID4047121
FormulaC9H6O2
Mol. Weight146.145 g/mol
SMILESO=CC1=CC2=C(O1)C=CC=C2

Data Sources

Brief citations

2-Benzofurancarboxaldehyde (CAS 4265-16-1) https://chemicalindependence.com/chemical/4265-16-1/ EPA CompTox (DSSTox): 4265-16-1. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4047121 EPA TSCA Inventory: CAS 4265-16-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293299 for CAS 4265-16-1. Reporting year: 2024. https://usatrade.census.gov/