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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
- 別名：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號：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
| 訂貨編號 | 商品名稱 | 規(guī)格 | 包裝 | 單價 | 促銷價 | 會員價 | 數(shù)量 |
| P157086-1g | 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] | 95% | 1g | 550.00 | 550.00 | 登錄可見 |
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 | 登錄可見 |
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 | 登錄可見 |
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 | 登錄可見 |
P157085-1g 4-硝基苯-α-D-吡喃半乳糖苷 [7493-95-0] 99% 1g 788.00
|
化學性質
白色至類白色粉末 熔點 166-169 °C 折射率 239 ° (C=1, H2O)
質量標準
| AR , 99.0% |
| 外觀Appearance White to Off-White Powder |
| 紅外光譜鑒別Infrared spectrometry Conforms to Structure |
| 純度Purity(HPLC) ≥99.0% |
| 甲醇溶解試驗solubility in MeOH Colorless to Faint Yellow ,Clear 100 mg/mL, MeOH |
| 水分Water (by Karl Fischer) ≤6 % |
| 游離對硝基酚Free P-Nitrophenol ≤0.1 % |
| 比旋光度Specific rotation [α]20/D +235～245°（c = 1% ，H2O） |
危險性質
WGK Germany 3
F 3-10-21
危險品標志 Xi
危險類別碼 36/37/38
安全說明 22-24/25-36-26
用途及存儲
α-D-半乳糖苷酶（α-D-Galactosidase）的底物。結合到大腸桿菌乳糖蛋白載體上。α-D-牛乳糖用培養(yǎng)基
密封干燥保存。
