Specifications   Product Name： D-焦谷氨酸叔丁酯   tert-butyl 5-oxo-D-prolinate Molecular Formula： C9H15NO3 Molecular Weight: 185.22 CAS: 205524-46-5 Structural Formula：   Items Specifications   Appearance： 白色或类白色粉末 White or white-off powder Assay: ≥98.0% Melting Point (℃): 104-110℃ Loss on Drying: ≤0.5% Optical activity (c =1  in EtOH) -8±2°