… Boc-3,4-difluoro-DL-phenylalanineBoc-3,4-difluoro-DL-Phe-OH(RS)-Boc-2-amino-3-(3,4-difluorophenyl)propionic acid Purity Limit: ≥ 99% (HPLC) Molecular Formula: C14H17F2NO4 Molecular Weight: 301.3 MDL No.: MFCD03788084 Melting Point: 103-110 °C Storage Temperature: Store at 0-8°C