2-Thiophenecarboxylic acid, 3-(isocyanatosulfonyl)-, methyl ester

CAS 79277-18-2

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

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.

Vandemark Chemical

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

CAS79277-18-2

PubChem CID157296

DTXSIDDTXSID2073647

FormulaC7H5NO5S2

Mol. Weight247.3 g/mol

SMILESCOC(=O)C1=C(C=CS1)S(=O)(=O)N=C=O

Data Sources

EPA CompTox (DSSTox) · DTXSID2073647Retrieved 2026-04-06
PubChem · compound 157296Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

← Back to Dashboard ← Back to Agriculture

Brief citations

2-Thiophenecarboxylic acid, 3-(isocyanatosulfonyl)-, methyl ester (CAS 79277-18-2) https://chemicalindependence.com/chemical/79277-18-2/ EPA CompTox (DSSTox): DTXSID2073647. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2073647 PubChem: 157296. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/157296 EPA Chemical Data Reporting: 79277-18-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 79277-18-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting