Norflurazon

CAS 27314-13-2

EPA’s 2019 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$1.4B

Top sourceIreland 33%

EPA lists this chemical for 2019 but publishes zero or no volume for both production and imports.

Production is reported production, not a complete census of factories. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293399 · basket

EPA reports by year

2019: US production Zero · Imports Zero

These shares come from HS customs code 293399, which covers 518 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).

IE 33%IrelandCN 26%ChinaIN 11%IndiaDE 9%GermanyIT 4%Italy

Taiwan
Poland
Canada
Ivory Coast
Greece
Hungary
Indonesia
Latvia
Belgium
Slovakia
Czech Republic
Austria
Netherlands
Finland
Denmark
Croatia
Australia
South Africa
Sweden
Hong Kong
Malta
Singapore
Lithuania
Malaysia
Oman
Serbia

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Weylchem Us

Why It Matters

Sectors

Agriculture

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

•Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing as a reactant

Chemical Identity

CAS27314-13-2

PubChem CID33775

DTXSIDDTXSID8024234

FormulaC12H9ClF3N3O

Mol. Weight303.67 g/mol

SMILESCNC1=C(C(=O)N(N=C1)C2=CC=CC(=C2)C(F)(F)F)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID8024234Retrieved 2026-04-06
PubChem · compound 33775Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Norflurazon (CAS 27314-13-2) https://chemicalindependence.com/chemical/27314-13-2/ EPA CompTox (DSSTox): DTXSID8024234. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8024234 PubChem: 33775. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/33775 EPA Chemical Data Reporting: 27314-13-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 27314-13-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293399 for CAS 27314-13-2. Reporting year: 2024. https://usatrade.census.gov/