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4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0]
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英文名：4-Nitrophenyl α-D-galacto-pyran-oside
- 别名：4-硝基苯基-α-D-吡喃半乳糖苷 4-硝基苯基-ALPHA-D-半乳糖苷 4-硝基苯-ALPHA-D-半乳糖苷 PNPG糖苷
- CAS号：7493-95-0 分子式：C12H15NO8 分子量：301.25
P157086-1g 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 95% 1g 550.00
P157084-500mg 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 500mg 450.00
P157080-100mg 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 100mg 178.00
P157085-1g 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 1g 788.00
P157084-500mg 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 500mg 450.00
P157080-100mg 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 100mg 178.00
P157085-1g 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 1g 788.00
| 订货编号 | 商品名称 | 规格 | 包装 | 单价 | 促销价 | 会员价 | 数量 |
| P157086-1g | 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] | 95% | 1g | 550.00 | 550.00 | 登录可见 |
P157086-1g 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 95% 1g 550.00
|
| P157084-500mg | 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] | 99% | 500mg | 450.00 | 450.00 | 登录可见 |
P157084-500mg 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 500mg 450.00
|
| P157080-100mg | 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] | 99% | 100mg | 178.00 | 178.00 | 登录可见 |
P157080-100mg 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 100mg 178.00
|
| P157085-1g | 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] | 99% | 1g | 788.00 | 788.00 | 登录可见 |
P157085-1g 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 1g 788.00
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化学性质
白色至类白色粉末 熔点 166-169 °C 折射率 239 ° (C=1, H2O)
质量标准
| AR , 99.0% |
| 外观Appearance White to Off-White Powder |
| 红外光谱鉴别Infrared spectrometry Conforms to Structure |
| 纯度Purity(HPLC) ≥99.0% |
| 甲醇溶解试验solubility in MeOH Colorless to Faint Yellow ,Clear 100 mg/mL, MeOH |
| 水分Water (by Karl Fischer) ≤6 % |
| 游离对硝基酚Free P-Nitrophenol ≤0.1 % |
| 比旋光度Specific rotation [α]20/D +235～245°（c = 1% ，H2O） |
危险性质
WGK Germany 3
F 3-10-21
危险品标志 Xi
危险类别码 36/37/38
安全说明 22-24/25-36-26
用途及存储
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
密封干燥保存。
