2,4-Dihydro-4-[(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]-5-methyl-2-phenyl-3H-pyrazol-3-one
No U.S. production. America imports the entire domestic supply.
US ProductionZero
Import Value$1.4B
Import Volume2.2K lbs
Import Dependency100%
Top SourceIreland 33%
2,4-Dihydro-4-[(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]-5-methyl-2-phenyl-3H-pyrazol-3-one · US import value by year
Where It Comes From
Customs basis: HS 293399 · basket
These shares come from HS customs code 293399, which covers 48 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2023).
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
EPA-registered importers (2)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Dai Nippon Printing · JP Japan
Dnp Imagingcomm America
Why It Matters
Sectors
Paper & Printing
Downstream UsesNo data available
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
Used in 1 sector as 1 functional role.
- •Dye in Printing and Related Support ActivitiesProcessing—incorporation into article
Chemical Identity
CAS4174-09-8
PubChem CID85930
DTXSIDDTXSID8063333
FormulaC21H18N4O2
Mol. Weight358.4 g/mol
SMILESCC1=C(C(=O)N(N1)C2=CC=CC=C2)C=C3C(=NN(C3=O)C4=CC=CC=C4)C
Data Sources
DTXSID80633332026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
859302026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/85930/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/85930.json
4174-09-82026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 4174-09-82026-04-25
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv