产品分类 更多
产品名称 Product Name |
Boc-L-2-硝基苯丙氨酸 Boc-L-2-Nitrophenylalanine |
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CAS NO |
185146-84-3 |
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生产日期 Manufacturing Date |
May 20,2011 |
批 号 Batch No. |
HYA20100525 |
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有效日期 Expire Date |
May 20,2013 |
数 量 Quantity |
5 kg |
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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 |
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旋光度Specific Rotation[α]25 |
+28 ± 2º (C1,MeOH) |
+28.6 º (C=1,MeOH) |
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干燥失重 Loss on drying |
≤1% |
0.35% |
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灼烧残渣 Residues On Ignition |
≤0.1% |
0.06% |
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纯 度 (HPLC) |
≥98% |
99.2% |
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e e 值 |
≥99% |
99.8% |