CAS: 6472-91-9 Molecular Formula: C26H16N4Na2O6 Molecular Weight (g/mol): 526.41 Synonym: C.I. Direct Yellow 1,C.I. Direct Yellow 1, Disodium Salt,Chrysamine,Brasilamina Yellow G,C.I. 22250,Chrysamine A,Chrysamine Yellow M,Diazine Yellow 2G,Direct Yellow CPS,Disodium diphenyl-4,4'-bis(azosalicylate),Kayaku Chrysamine G,3,3'-[[1,1'-Biphenyl]-4,4'-diylbis(azo)]bis[6-hydroxy-benzoic Acid Disodium Salt IUPAC Name: sodium 5,5'-((1E,1'E)-[1,1'-biphenyl]-4,4'-diylbis(diazene-2,1-diyl))bis(2-hydroxybenzoate) SMILES: O=C(O[Na])C1=C(O)C=CC(/N=N/C2=CC=C(C3=CC=C(/N=N/C4=CC(C(O[Na])=O)=C(O)C=C4)C=C3)C=C2)=C1