CAS: 2689-68-1 Molecular Formula: C6H8O3S Molecular Weight (g/mol): 160.187 InChI Key: LEAKUJFYXNILRB-UHFFFAOYSA-N Synonym: methyl 4-oxotetrahydrothiophene-3-carboxylate,4-carbomethoxytetrahydro-3-thiophenone,4-carbomethoxy-3-thiophanone,3-thiophenecarboxylic acid, tetrahydro-4-oxo-, methyl ester,methyl tetrahydro-4-oxo-3-thiophenecarboxylate,methyl 3-oxotetrahydrothiophene-4-carboxylate,4-carbomethoxytetrahydro-3-thi ophenone,methyl 4-oxo-tetrahydrothiophene-3-carboxylate,methyl 4-oxo-2,3,5-trihydrothiophene-3-carboxylate,methyl tetrahydro-4-oxo-3-thenoate PubChem CID: 98424 IUPAC Name: methyl 4-oxothiolane-3-carboxylate SMILES: COC(=O)C1CSCC1=O