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订购货号 | 产品名称及规格 | 价格(¥) |
11080 | Cyanine3 maleimide, 1 mg | 1430.00 |
21080 | Cyanine3 maleimide, 5 mg | 2730.00 |
41080 | Cyanine3 maleimide, 25 mg | 5330.00 |
51080 | Cyanine3 maleimide, 50 mg | 9035.00 |
61080 | Cyanine3 maleimide, 100 mg | 15470.00 |
硫醇单一活化Cyanine3 dye。该染料用于向包含半胱氨酸残基的蛋白、多肽以及硫醇化的分子(比如含硫醇的寡核苷酸)标记Cyanine3荧光团(Cy3®的类似物)。
胱氨酸应该在标记前先使用TCEP(tris-carboxyethylphosphine)或其他还原剂进行还原反应。
使用Cyanine3 maleimide进行的标记反应是有选择性的,有效的。
我们推荐使用水溶的Sulfo-Cyanine3 maleimide标记抗体和其他敏感蛋白。
推荐手册:
蛋白与其他硫醇分子的马来酰亚胺标记
Cy® is a trademark of GE Healthcare.
General properties
Appearance: |
red powder |
Molecular weight: |
615.20 |
Molecular formula: |
C36H43ClN4O3 |
Solubility: |
soluble in organic solvents (DMF, DMSO, dichloromethane), insoluble in water |
Quality control: |
NMR 1H (95%) and 13C, TLC, functional testing |
Storage conditions: |
Storage: 24 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate. |
MSDS: |
Download |
Spectral properties
Excitation maximum, nm: |
555 |
Extinction coefficient at excitation maximum, Lmol-1cm-1: |
150000 |
Emission maximum, nm: |
570 |
Fluorescence quantum yield: |
0.31 |