3a,4,5,6,7,7a-Hexahydro-4,7-methano-1H-inden-5-yl isobutyrate

CAS 67634-20-2

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$63M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceChina 22%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291560 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291560, which covers 183 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 22%ChinaDE 19%GermanySE 14%SwedenJP 13%JapanIN 9%India

Ireland
South Korea
United Arab Emirates
Russia
Ukraine
Israel
Brazil
Canada

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

International Flavors And Fragrances

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Givaudan Fragrances

Why It Matters

Sectors

Core Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Fragrance in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS67634-20-2

PubChem CID106745

DTXSIDDTXSID2052360

FormulaC14H20O2

Mol. Weight220.31 g/mol

SMILESCC(C)C(=O)OC1CC2CC1C3C2CC=C3

Data Sources

EPA CompTox (DSSTox) · DTXSID2052360Retrieved 2026-04-06
PubChem · compound 106745Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

3a,4,5,6,7,7a-Hexahydro-4,7-methano-1H-inden-5-yl isobutyrate (CAS 67634-20-2) https://chemicalindependence.com/chemical/67634-20-2/ EPA CompTox (DSSTox): DTXSID2052360. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2052360 PubChem: 106745. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/106745 EPA Chemical Data Reporting: 67634-20-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 67634-20-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291560 for CAS 67634-20-2. Reporting year: 2024. https://usatrade.census.gov/