thiophene-2-sulfonic acid

Molecular Formula: C₄H₄O₃S₂

InChI: InChI=1/C4H4O3S2/c5-9(6,7)4-2-1-3-8-4/h1-3H,(H,5,6,7)/f/h5H

InChIKey: InChIKey=BSXLLFUSNQCWJP-JSWHHWTPCA
SMILES: C1=CSC(=C1)S(=O)(=O)O

Names:
    thiophene-2-sulfonic acid

Registries:
    PubChem CID 165170
    PubChem ID 10255800