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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 101012Generated: October 23, 2026

Methyl 3-(aminosulfonyl)-2-thiophenecarboxylate

CL220 · 3-aminosuL · Methyl 3-aminosulfon · 3-Sulfonyl amino thiophene · METHYL 3-SULFAMOYLTHIOPHENE-2-CARBOXYLA& · 2-METHOXYCARBONYL-THIOPHENE-3-SULFONAMIDE · 2-(METHOXYCARBONYL)-THIOPHENE-3-SULFON-AMID · ethyl 3-aminosulfonylthiophene-2-carboxylate

https://huagongshe.com/en/chemical/101012

Methyl 3-(aminosulfonyl)-2-thiophenecarboxylate molecular structure

Identifiers & Physical Properties

CAS No.59337-93-8
Molecular formulaC6H7NO4S2
Average molar mass221.3 g/mol
Monoisotopic mass220.9816497 g/mol
SMILESCOC(=O)c1sccc1S(N)(=O)=O
InChIKeyPMXNPOJHBQDJKS-UHFFFAOYSA-N
PubChem CID101012
ChEMBLCHEMBL3184199
EC No.402-050-2
DTXSIDDTXSID0044490

Chemical & Physical Properties

XLogP0.4
Topological polar surface area123
Hydrogen bond donors1
Hydrogen bond acceptors6
Rotatable bonds3
Heavy atoms13
Formal charge0
Complexity294
PesticidesEnvironmental transformation -> Pesticide transformation products (metabolite, successor)
Physical DescriptionCBI
Collision Cross Section148.5 Ų [M+Na]+ [CCS Type: DTBuffer gas: N2Ionization: ESI+Dataset: TOXCASTSource Identifier: DTXSID0044490]
Melting point123-124 °C(Solv: water (7732-18-5))
Boiling point428.3±55.0 °C(Predicted)
Density1.517±0.06 g/cm3(Predicted)
Storage conditionsKeep in dark place,Sealed in dry,Room Temperature
pKa (acidity coefficient)9.55±0.60(Predicted)
AppearanceWhite to yellow Solid
EWG's Food Scores1
FDA UNIIESI9CQO80V
EPA Substance Registry System2-Thiophenecarboxylic acid, 3-(aminosulfonyl)-, methyl ester (59337-93-8)
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH335-H315-H319
GHS precautionary statementsP264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Hazard symbolsXi
Risk statements (R)36-43
Safety statements (S)26-36/37
TSCA inventory statusTSCA listed
Hazard classIRRITANT
REACH registrationsInactive

Safety & Regulations

GHS classificationWarningH315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)The GHS information provided by 1 company from 1 notification to the ECHA C&L Inventory.
Regulatory information2-Thiophenecarboxylic acid, 3-(aminosulfonyl)-, methyl ester is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2-Thiophenecarboxylic acid, 3-(aminosulfonyl)-, methyl ester are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.Status: Active Update: 10-11-2008 https://echa.europa.eu/registration-dossier/-/registered-dossier/4438
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
TSCA inventory statusTSCA listed
Risk statements (R)36-43
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi
Safety statements (S)26-36/37
Hazard classIRRITANT
GHS hazard statementsH335-H315-H319
REACH registrationsInactive
GHS precautionary statementsP264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

Applications & Uses

Uses

Methyl 3-Aminosulfonyl-2-thiopene Carboxylate is an intermediate in the synthesis of Thifensulfuron-methyl (T344700), a sulfonylurea herbicide.