CAS: 1571-36-4 Molecular Formula: C26H26N6O10S2 Molecular Weight (g/mol): 646.646 MDL Number: MFCD00045752 InChI Key: WMIFGUMCCUZRTH-SEPHDYHBSA-N Synonym: Stilbene-4,4′C-bis[(1-azo)-3,4-dihydroxybenzene]-2,2′C-disulfonic Acid Diammonium Salt PubChem CID: 87194021 IUPAC Name: azane;5-[2-(3,4-dioxocyclohexa-1,5-dien-1-yl)hydrazinyl]-2-[(E)-2-[4-[2-(3,4-dioxocyclohexa-1,5-dien-1-yl)hydrazinyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid SMILES: C1=CC(=C(C=C1NNC2=CC(=O)C(=O)C=C2)S(=O)(=O)O)C=CC3=C(C=C(C=C3)NNC4=CC(=O)C(=O)C=C4)S(=O)(=O)O.N.N