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Phenylpyruvic acid

CAS 156-06-9

Molecular structure of 156-06-9
US productionNot reported
Import value, 2024$65M
Top sourceChina 20%

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 291830 · basket

These shares come from HS customs code 291830, which covers 98 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 20%ChinaIN 19%IndiaIT 19%ItalyCH 15%SwitzerlandJP 15%Japan

Why It Matters

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

Chemical Identity

CAS156-06-9
PubChem CIDNot recorded
DTXSIDDTXSID1042281
FormulaC9H8O3
Mol. Weight164.16 g/mol
SMILESOC(=O)C(=O)CC1=CC=CC=C1

Data Sources

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Brief citations

Phenylpyruvic acid (CAS 156-06-9) https://chemicalindependence.com/chemical/156-06-9/ EPA CompTox (DSSTox): 156-06-9. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1042281 EPA TSCA Inventory: CAS 156-06-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291830 for CAS 156-06-9. Reporting year: 2024. https://usatrade.census.gov/