Flag of the United StatesAmerican Chemical Independence

2-Methyl-3-pentenoic acid

CAS 37674-63-8

3-Pentenoic acid, 2-methyl-

Molecular structure of 37674-63-8
US productionNot reported
Import value, 2024$117M
Top sourceChina 50%

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 291619 · basket

These shares come from HS customs code 291619, which covers 169 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 50%ChinaDE 21%GermanyTW 12%TaiwanIN 7%IndiaGB 3%United Kingdom

Why It Matters

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

Chemical Identity

CAS37674-63-8
PubChem CIDNot recorded
DTXSIDDTXSID00865878
FormulaC6H10O2
Mol. Weight114.144 g/mol
SMILESCC=CC(C)C(O)=O

Data Sources

← Back to Dashboard

Brief citations

2-Methyl-3-pentenoic acid (CAS 37674-63-8) https://chemicalindependence.com/chemical/37674-63-8/ EPA TSCA Inventory: CAS 37674-63-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291619 for CAS 37674-63-8. Reporting year: 2024. https://usatrade.census.gov/