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2-Methyl-5-oxo-1-cyclopenten-1-yl butyrate

CAS 68227-51-0

Molecular structure of 68227-51-0
US productionNot reported
Import value, 2024$63M
Top sourceChina 22%

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 291560 · basket

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

Why It Matters

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

Chemical Identity

CAS68227-51-0
PubChem CIDNot recorded
DTXSIDDTXSID2071289
FormulaC10H14O3
Mol. Weight182.219 g/mol
SMILESCCCC(=O)OC1=C(C)CCC1=O

Data Sources

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Brief citations

2-Methyl-5-oxo-1-cyclopenten-1-yl butyrate (CAS 68227-51-0) https://chemicalindependence.com/chemical/68227-51-0/ EPA CompTox (DSSTox): 68227-51-0. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2071289 EPA TSCA Inventory: CAS 68227-51-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291560 for CAS 68227-51-0. Reporting year: 2024. https://usatrade.census.gov/