| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | 详情 |
| N814742 | MACKLIN | 2-硝基苯基-β-D-吡喃半乳糖苷 | 99%,非动物源 | 87元/1g; 256元/5g; 756元/25g; 2718元/100g; 8159元/500g; | 展开 |
储存:2~8°C 状态:白色到淡黄色固体 折射率:-68.8 ° (C=1, H2O) |
| O885115 | MACKLIN | ONPG溶液 | 10mg/ml | 799元/10ml; | 展开 |
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| 446877 | J&K | 2-Nitrophenyl β-D-galactopyranoside | 98% | 271元/1G; 523元/5G; 2166元/25G; | 展开 |
基本信息 | 分子式 | C12H15NO8 | | 分子量 | 301.25 | | 熔点 | 186 | | 比旋光度([α]20D) | -73° to -65° (C=1, H2O) | | MDL编码 | MFCD00063255 | | Beilstein | 92207 | | EINECS 编号 | 206-716-1 | | 存储条件 | Freezer -20℃ |
安全信息 |
| 48712-M | Sigma-Aldrich | o-Nitrophenyl-β-D-galactopyranoside-CAS 369-07-3-Calbiochem | A β-galactosidase substrate for colorimetric and EIA applications; counterpart of widely used pNPP/alkaline phosphatase substrate. | 572.49元/1 G; 2035.53元/5 G; | 展开 |
产品说明 一般描述 A β-galactosidase substrate for colorimetric and EIA applications; counterpart of widely used pNPP/alkaline phosphatase substrate. o-Nitrophenol is produced as the end product and is monitored at 405 nm. A β-galactosidase substrate for colorimetric and EIA applications; counterpart of widely used pNPP/alkaline phosphatase substrate. o-Nitrophenol is produced as the end product and is monitored at 405 nm. 警告 Toxicity: Standard Handling (A) 其他说明 Maruhn, D. 1976. Clin., Chim. Acta 73, 453. 法律信息 CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany 基本信息 | 经验(实验)分子式 | C12H15NO8 | | 分子量 | 301.25 | | MDL编号 | MFCD00063255 |
产品性质 | 质量水平 | 100 | | 测定 | ≥98% | | 形式 | solid | | manufacturer/tradename | Calbiochem® | | 储存条件 | OK to freeze | | 杂质 | ≤0.05% free o-nitrophenol | | 颜色 | white to off-white | | 溶解性 | water: 10 mg/mL | | 储存温度 | 2-8℃ | | InChI | 1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-4-2-1-3-6(7)13(18)19/h1-4,8-12,14-17H,5H2 | | InChI key | KUWPCJHYPSUOFW-UHFFFAOYSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| N1127 | Sigma-Aldrich | 2-Nitrophenyl β-D-galactopyranoside | ≥98% (enzymatic) | 447.4元/250 MG; 471.14元/500 MG; 501.51元/1 G; 844.64元/5 G; 3612.15元/25 G; | 展开 |
产品说明 一般描述 ONPG(2-硝基苯-β-D-半乳糖苷)是β-半乳糖苷酶的比色底物。 应用 2-硝基苯-β-D-半乳糖苷是一种酶底物,可用于检测lacZ活性,从而检测是否存在β-半乳糖苷酶。 包装 500 mg in poly bottle 250 mg in glass bottle 1, 5, 25 g in poly bottle 生化/生理作用 β-半乳糖苷酶可将乳糖分解为半乳糖和葡萄糖。β-半乳糖苷酶不是乳糖特异性的,并且可以水解简单的半乳糖苷。2-硝基苯-β-D-半乳糖苷水解,导致半乳糖和黄色显色化合物的释放。该测试底物不依赖于诱导或组成型通透酶进入细胞,因此反应迅速并且在24小时内发生。 原理 β-半乳糖苷酶可将乳糖分解为半乳糖和葡萄糖。β-半乳糖苷酶不是乳糖特异性的,并且可以水解简单的半乳糖苷。2-硝基苯-β-D-半乳糖苷水解,导致半乳糖和黄色显色化合物的释放。该测试底物不依赖于诱导或组成型通透酶进入细胞,因此反应迅速并且在24小时内发生。 重悬 可使用分子生物学级水制备浓度为3 mg/ml的储备溶液。 也可使用100 mM磷酸钠缓冲液(pH 7.3)制备约20.5 mg/ml的储备溶液。可能需要稍微加热,才能完全溶解本品。 底物 β-半乳糖苷酶的显色底物。 基本信息 | 经验(实验)分子式 | C12H15NO8 | | 分子量 | 301.25 | | Beilstein | 92207 | | EC 号 | 206-716-1 | | MDL编号 | MFCD00063255 | | PubChem化学物质编号 | 24897461 | | NACRES | NA.52 |
产品性质 | 质量水平 | 200 | | 等级 | for molecular biology | | 测定 | ≥98% (enzymatic) | | 形式 | powder | | 储存温度 | −20℃ | | SMILES string | OC[C@H]1O[C@@H](Oc2ccccc2[N+]([O-])=O)[C@H](O)[C@@H](O)[C@H]1O | | InChI | 1S/C12H15NO8/c14-5-8-9(15)10(16)11(17)12(21-8)20-7-4-2-1-3-6(7)13(18)19/h1-4,8-12,14-17H,5H2/t8-,9+,10+,11-,12-/m1/s1 | | InChI key | KUWPCJHYPSUOFW-YBXAARCKSA-N |
安全信息 | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | Eyeshields, Gloves, type N95 (US) |
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| 916606 | Amethyst | 2-Nitrophenyl β-D-galactopyranoside | 98%, 试剂级 | 103元/1G; 310元/5G; 1124元/25G; | 展开 |
基本信息 | 分子式 | C12H15NO8 | | 分子量 | 301.25 | | 熔点 | 186 | | 比旋光度([α]20D) | -71.5° to -66° (C=1, H2O) | | MDL编码 | MFCD00063255 | | Beilstein | 92207 | | EINECS 编号 | 206-716-1 | | 存储条件 | Freezer -20℃ |
安全信息 |
| M02731 | Fluorochem | o-Nitrophenyl-beta-D-galactopyranoside | 98% | 330元/1g; 528元/5g; 836元/10g; 1452元/25g; | 展开 |
基本信息 | CAS Number | 369-07-3 | | MDL Number | MFCD00063255 | | Melting Point | 195 ℃ |
安全信息 | 图形或危害标志 |  | | 危险性说明 | H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
| | 防范说明 | P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .
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