azobenzenes Sudan II JBTHDAVBDKKSRW-FMQUCBEESA-N 276.12626 CAS:3118-97-6 276.33240 0 C18H16N2O Cc1ccc(\N=N\c2c(O)ccc3ccccc23)c(C)c1 KEGG:C19526 C.I. Solvent Orange 7 CHEBI:82534 InChI=1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3/b20-19+ chebi_ontology