质量标准
外观appearance white to yellow powder, crystals
红外光谱Infrared spectrometry Conforms to Structure
核磁Proton NMR spectrum Conforms to Structure
纯度Purity (HPLC) ≥98.0%
纯度Purity by Titration with HClO4 97.5%-102.5%
比旋光度Specific rotation [α]20/D +4.0°~ +8.0°(C=1, 5N HCl)