产品分类 更多
产品名称 Product Name |
BOC-L-4-氰基苯丙氨酸 |
||||
CAS NO |
131724-45-3 |
||||
批 号 Batch No. |
HYA20110511 |
数 量 Quantity |
500 g |
||
生产日期 |
2011.5.11 |
有效期 Valid Period |
2 年 TwoYear |
||
检测项目 Test Item |
标准值 Specifications |
实测值 Test Results |
|||
外 观 Appearance |
类白色或微黄色粉末 Off-white or Faintly yellowpowder |
类白色粉末 |
|||
旋光度Specific Rotation[α]25 |
+ 7.5 ~ + 9.5º (C=1,甲醇) |
+8.2º (C=1,甲醇) |
|||
干燥失重 Loss on drying |
≤0.5% |
0.15% |
|||
灼烧残渣 Residues On Ignition |
≤0.1% |
0.06% |
|||
纯 度 (HPLC) |
≥98% |
98.6% |
|||
e.e |
≥98% |
99.4% |