4-硝基苯-α-D-吡喃半乳糖苷 |
4-Nitrophenyl α-D-galactopyranoside |
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CAS号: |
7493-95-0 |
分子式: |
C12H15NO8 |
分子量: |
301.25 |
EINECS: |
231-343-6 |
别名: |
4-硝基苯-ALPHA-D-半乳糖苷
PNPG糖苷 |
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试剂货号 |
试剂名称 |
规格 |
包装 |
单价(RMB) |
购买数量 |
购买 |
备注 |
M027422 |
4-硝基苯-α-D-吡喃半乳糖苷 |
AR |
100mg |
90.00 |
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M027423 |
4-硝基苯-α-D-吡喃半乳糖苷 |
AR |
500mg |
310.00 |
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M027424 |
4-硝基苯-α-D-吡喃半乳糖苷 |
AR |
1g |
580.00 |
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白色至类白色粉末
熔点 166-169 °C
折射率 239 ° (C=1, H2O)
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AR , 99.0%
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外观Appearance White to Off-White Powder
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红外光谱鉴别Infrared spectrometry Conforms to Structure
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纯度Purity(HPLC) ≥99.0%
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甲醇溶解试验solubility in MeOH Colorless to Faint Yellow ,Clear 100 mg/mL, MeOH
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水分Water (by Karl Fischer) ≤6 %
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游离对硝基酚Free P-Nitrophenol ≤0.1 %
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比旋光度Specific rotation [α]20/D +235~245°(c = 1% ,H2O)
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α-D-半乳糖苷酶(α-D-Galactosidase)的底物。结合到大肠杆菌乳糖蛋白载体上。α-D-牛乳糖用培养基
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