Phosphorylase a
CAS 9032-10-4
EPA exempts this chemical from its production survey.
Why supply is unknownProduction 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 350790 · basket
These shares come from HS customs code 350790, which covers 104 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Norway
- Singapore
- Chile
- Indonesia
- Taiwan
- Sweden
- South Korea
- Poland
- Brazil
- Turkey
- Hong Kong
- Czech Republic
- Argentina
- Australia
- New Zealand
- Belize
- Colombia
- Greece
- United Arab Emirates
- Estonia
- Costa Rica
- Portugal
- Hungary
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Phosphorylase a (CAS 9032-10-4) https://chemicalindependence.com/chemical/9032-10-4/ EPA TSCA Inventory: CAS 9032-10-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 350790 for CAS 9032-10-4. Reporting year: 2024. https://usatrade.census.gov/