Specifications: Product Z-S-Phe-L-Cys-OH Molecular Formula C17H17NO4S CAS No 159453-24-4 Molecular Weight 331.8 Appearance white powder with lumps Impurity ≤0.5% Assay 98.5%min Melting point 93~96 癈 Specific Rotation (20/D) -55皛-60?c = 1,MeOH ) Moisture (KF) ≤0.5% Application field: use as biochemical agents, synthesis of peptides and intermediate for Nelfinavir. Packing: 25 kg net per fiber drums .