CAS: 2870-32-8 Molecular Formula: C30H26N4Na2O8S2 Molecular Weight (g/mol): 680.66 MDL Number: MFCD00007488 InChI Key: YQMJDPHTMKUEHG-RPKDOIGLSA-L Synonym: chrysophenine g,chrysophenine j,chrysophenine y,aurophenine o,chrysophenine gp,chrysophenine ns,direct yellow c,benzo yellow lg,erie yellow y,chrysophenine esp PubChem CID: 54603156 IUPAC Name: sodium;5-[(4-ethoxyphenyl)diazenyl]-2-[(E)-2-[4-[(4-ethoxyphenyl)diazenyl]-2-sulfophenyl]ethenyl]benzenesulfonic acid SMILES: [Na+].[Na+].CCOC1=CC=C(C=C1)N=NC1=CC=C(\C=C/C2=CC=C(C=C2S([O-])(=O)=O)N=NC2=CC=C(OCC)C=C2)C(=C1)S([O-])(=O)=O