Cyanine5 maleimide是单一活性染料，有选择性的与硫醇基团（比如蛋白和多肽的半胱氨酸）结合以进行标记。 我们推荐使用水溶的Sulfo-Cyanine5 maleimide标记抗体和其他敏感蛋白。 Cyanine5是Cy5®的类似物，与很多仪器比如显微镜、成像仪、荧光读板机相兼容的常用荧光团。
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:
dark blue powder
Molecular weight:
641.24
Molecular formula:
C38H45ClN4O3
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:
646
Extinction coefficient at excitation maximum, Lmol-1cm-1:
250000
Emission maximum, nm:
662
Fluorescence quantum yield:
0.2
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