4-Ethyl-2-(8-heptadecen-1-yl)-4,5-dihydro-4-oxazolemethanol

CAS 68140-98-7

U.S. production volumes are classified as confidential business information.

US productionCBI

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

Import value, 2024$6.4B

Import volumeZero

Top sourceSingapore 36%

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. US production volume is confidential. 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 293499 · basket

EPA reports by year

2023: US production Confidential · Imports Zero
2019: US production 168.8K lb · Imports Zero

These shares come from HS customs code 293499, which covers 575 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).

SG 36%SingaporeIE 23%IrelandCN 11%ChinaCH 6%SwitzerlandIN 5%India

Finland
Netherlands
Canada
Indonesia
Mexico
Taiwan
South Korea
Austria
Croatia
Sweden
Ukraine
Denmark
Israel
Czech Republic
New Zealand
Hong Kong
Kyrgyzstan
Australia
Portugal
South Africa
Poland
Slovenia
Brazil
Slovakia
Vietnam
Latvia
Malta
Hungary
Romania
Kenya
Belarus
Russia
Turkey
Norway

Why It Matters

Sectors

Consumer ProductsPaints & Coatings

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

Used in 2 sectors as 1 functional role.

•Viscosity modifiers in Paint and Coating Manufacturing (85%)Processing—incorporation into formulation, mixture, or reaction product
•Viscosity modifiers in Wholesale and Retail Trade (100%)Processing—repackaging

Chemical Identity

CAS68140-98-7

PubChem CID56842850

DTXSIDDTXSID40867497

FormulaC23H43NO2

Mol. Weight365.6 g/mol

SMILESCCCCCCCCC=CCCCCCCCC1=NC(CO1)(CC)CO

Data Sources

EPA CompTox (DSSTox) · DTXSID40867497Retrieved 2026-04-06
PubChem · compound 56842850Retrieved 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

4-Ethyl-2-(8-heptadecen-1-yl)-4,5-dihydro-4-oxazolemethanol (CAS 68140-98-7) https://chemicalindependence.com/chemical/68140-98-7/ EPA CompTox (DSSTox): DTXSID40867497. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID40867497 PubChem: 56842850. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/56842850 EPA Chemical Data Reporting: 68140-98-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68140-98-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293499 for CAS 68140-98-7. Reporting year: 2024. https://usatrade.census.gov/