3-Pyridinecarbonitrile, 1-ethyl-1,2-dihydro-6-hydroxy-5-[2-(4-methoxy-2-nitrophenyl)diazenyl]-4-methyl-2-oxo-
CAS 49744-42-5
Companies reported imports and no US production of this chemical to EPA for 2023.
US productionZero
Import volume2.8K lb
Import dependency100%
Top sourceNo public record
Production is reported production, not a complete census of factories. Production reporting year: 2023.
Where It Comes From
EPA reports by year
- 2023
- US production Zero · Imports 2.8K lb
EPA-registered importers (1)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Dystar
Why It Matters
Sectors
Textiles
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
- •Dye in Textiles, apparel, and leather manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS49744-42-5
PubChem CIDNot recorded
DTXSIDDTXSID201109978
FormulaC16H15N5O5
Mol. Weight357.326 g/mol
SMILESCCN1C(O)=C(N=NC2=CC=C(OC)C=C2N(=O)=O)C(C)=C(C#N)C1=O
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
3-Pyridinecarbonitrile, 1-ethyl-1,2-dihydro-6-hydroxy-5-[2-(4-methoxy-2-nitrophenyl)diazenyl]-4-methyl-2-oxo- (CAS 49744-42-5) https://chemicalindependence.com/chemical/49744-42-5/ EPA TSCA Inventory: CAS 49744-42-5. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 49744-42-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 49744-42-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting