7-Benzothiazolesulfonic acid, 2-[2-(2,3-dihydro-1,3-dioxo-1H-inden-2-yl)-6-quinolinyl]-6-methyl-, compd. with 2,2',2''-nitrilotris[ethanol] (1:1)

CAS 71832-69-4

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.

Import volumeZero

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 Zero
2019: US production Confidential · Imports Confidential

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Sensient Colors

Why It Matters

Sectors

Paper & 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

•Dye in Paper Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS71832-69-4

PubChem CID172908

DTXSIDDTXSID5072436

FormulaC32H31N3O8S2

Mol. Weight649.7 g/mol

SMILESCC1=C(C2=C(C=C1)N=C(S2)C3=CC4=C(C=C3)N=C(C=C4)C5C(=O)C6=CC=CC=C6C5=O)S(=O)(=O)O.C(CO)N(CCO)CCO

Data Sources

EPA CompTox (DSSTox) · DTXSID5072436Retrieved 2026-04-06
PubChem · compound 172908Retrieved 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

7-Benzothiazolesulfonic acid, 2-[2-(2,3-dihydro-1,3-dioxo-1H-inden-2-yl)-6-quinolinyl]-6-methyl-, compd. with 2,2',2''-nitrilotris[ethanol] (1:1) (CAS 71832-69-4) https://chemicalindependence.com/chemical/71832-69-4/ EPA CompTox (DSSTox): DTXSID5072436. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5072436 PubChem: 172908. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/172908 EPA Chemical Data Reporting: 71832-69-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 71832-69-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting