Quick view View Item 1-(2-Pyridylazo)-2-naphthol, 5G 1-(2-Pyridylazo)-2-naphthol indicator grade Synonym(s): PAN Empirical Formula (Hill Notation): C15H11N3O CAS Number: 85-85-8 Molecular Weight: 249.27 Beilstein: 206390 EC Number: 201-637-9 MDL... Weight: 2.00 LBS View Item Quick view Qty in Cart: 0 Price: Subtotal: