3,4-dihydroxybenzenesulfonic acid

Molecular Formula: C₆H₆O₅S

InChI: InChI=1/C6H6O5S/c7-5-2-1-4(3-6(5)8)12(9,10)11/h1-3,7-8H,(H,9,10,11)/f/h9H

InChIKey: InChIKey=LTPDITOEDOAWRU-BGGKNDAXCW
SMILES: Oc1ccc(cc1O)S(O)(=O)=O

CAS number 7134-09-0

Names:
    3,4-dihydroxybenzenesulfonic acid
    4-Sulfocatechol

Registries:
    PubChem CID 189003
    Beilstein =2099722
    CAS 7134-09-0 (from NIST)
    ChEBI 27758
    Kegg C06674
    PubChem ID 10260935
    PubChem ID 8899