Pyrazolo[5,1-b]quinazolin-9(1H)-one, 3-[2-(4-chloro-2-nitrophenyl)diazenyl]-2-methyl-

CAS 74336-59-7

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

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.

Basf

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.

The Sherwin Williams

Trust Chem Usa Llc.

Why It Matters

Sectors

ElectronicsConstructionMetals & MiningConsumer ProductsPaints & CoatingsPaper & Printing

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

Used in 7 sectors as 1 functional role.

•Pigment in Paint and Coating Manufacturing (73%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Printing Ink Manufacturing (28%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Electrical Equipment, Appliance, and Component ManufacturingProcessing—incorporation into article
•Pigment in Furniture and Related Product ManufacturingProcessing—incorporation into article
•Pigment in Machinery ManufacturingProcessing—incorporation into article
•Pigment in Wood Product ManufacturingProcessing—incorporation into article
•Pigment in Miscellaneous ManufacturingProcessing—incorporation into article

Chemical Identity

CAS74336-59-7

PubChem CID166442

DTXSIDDTXSID30888434

FormulaC17H11ClN6O3

Mol. Weight382.8 g/mol

SMILESCC1=C(C2=NC3=CC=CC=C3C(=O)N2N1)N=NC4=C(C=C(C=C4)Cl)[N+](=O)[O-]

Data Sources

EPA CompTox (DSSTox) · DTXSID30888434Retrieved 2026-04-06
PubChem · compound 166442Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Pyrazolo[5,1-b]quinazolin-9(1H)-one, 3-[2-(4-chloro-2-nitrophenyl)diazenyl]-2-methyl- (CAS 74336-59-7) https://chemicalindependence.com/chemical/74336-59-7/ EPA CompTox (DSSTox): DTXSID30888434. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30888434 PubChem: 166442. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/166442 EPA Chemical Data Reporting: 74336-59-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 74336-59-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting