Chemical Name: 6,6'-Ureylene-bis(1-naphthol-3-sulfonic acid)
CAS No.: 134-47-4
Molecular Fomula:?C21H16N2O9S2
Molecular weight:?504.49
Appearance: Grey white powder
Chemical Name:?Diethyl 1,3-acetonedicarboxylate
CAS No.: 105-50-0
Molecular Fomula: C9H14O5
Molecular weight:?202.2
Appearance:?Liquid form
Assay: 98%-102%