4,7-Methano-1H-indene-5-carboxaldehyde, 3a,4,5,6,7,7a-hexahydro-, (3aR,4S,5R,7S,7aR)-rel-

CAS 59691-23-5

Molecular structure of 59691-23-5
US productionNot reported
Import value, 2024$106M
Top sourceJapan 33%

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 291229 · basket

These shares come from HS customs code 291229, which covers 104 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 33%JapanCN 14%ChinaMX 13%MexicoIN 12%IndiaES 9%Spain

Why It Matters

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

Chemical Identity

CAS59691-23-5
PubChem CIDNot recorded
DTXSIDDTXSID80886364
FormulaC11H14O
Mol. Weight162.232 g/mol
SMILESO=C[C@@H]1C[C@@H]2C[C@H]1[C@@H]1C=CC[C@H]21

Data Sources

Brief citations

4,7-Methano-1H-indene-5-carboxaldehyde, 3a,4,5,6,7,7a-hexahydro-, (3aR,4S,5R,7S,7aR)-rel- (CAS 59691-23-5) https://chemicalindependence.com/chemical/59691-23-5/ EPA TSCA Inventory: CAS 59691-23-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291229 for CAS 59691-23-5. Reporting year: 2024. https://usatrade.census.gov/