产品分类 更多
产品名称 Product Name |
Boc-D-2-呋喃基丙氨酸二环己胺盐 |
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CAS NO |
261380-18-1 |
数 量 Quantity |
2 Kg |
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批 号 Batch No. |
HYA20110528 |
有效期 Valid Period |
2 年 Two Year |
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检测项目 Test Item |
标准值 Specifications |
实测值 Test Results |
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外 观 Appearance |
类白色或微黄色粉末 Off-white or Faintly yellowpowder |
类白色粉末 Off-whitepowder |
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旋光度Specific Rotation[α]25 |
- 22 ~ - 25º (C=1,MeOH) |
- 23.5º (C=1, MeOH) |
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干燥失重 Loss on drying |
≤0.5% |
0.28% |
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灼烧残渣 Residues On Ignition |
≤0.1% |
0.06% |
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纯 度 (HPLC) |
≥98% |
99.5% |
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e.e (HPLC) |
≥99% |
99.2% |