外观Appearance White Powder
红外光谱Infrared spectrometry Conforms to Structure
纯度Purity(HPLC) ≥98.0%
熔点Melting point 80°C - 81°C
醇溶解试验solubility in ethanol clear colorless solution at 200 mg plus 4.0 ml of ethanol
水分Water (by Karl Fischer) 3.4 to 8.0%
比旋光度Specific rotation [α]20/D +22.0°~ +24.0° (c = 1 in ethanol, 24 °C)
作为α-糜蛋白酶底物测试Test as substrate for alpha-chymotrypsin
Pass