非活性羧酸染料，Cy5® 游离羧酸的类似物。包含Cyanine5荧光团。 这种染料微溶于水，但可以溶于包含有机相（DMF，DMSO，乙醇）的水溶液，以获得包被足够浓度的该染料的溶液。水溶的该产品。 这种分子染料为非活性染料，用与对照试验和仪器校准。如果需要与胺类偶联和蛋白标记，请参考使用Cyanine5 NHS ester,或者水溶的sulfo-Cyanine5 NHS ester。
Cy® is a trademark of GE Healthcare.
General properties
Appearance:
dark blue powder
Molecular weight:
519.12
Molecular formula:
C32H39ClN2O2
Solubility:
soluble in organic solvents (DMF, DMSO, dichloromethane), insoluble in water
Quality control:
NMR 1H (95%) and 13C, TLC
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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