水溶的sulfo-Cyanine3 dye，非活性、单功能团的羧基染料。该试剂可以用作Cy3®检测通道的参照荧光团，作为使用其他sulfo-Cyanine3标记的产品的机器的对照。羧酸也可以用于碳化二亚胺活化。
其吸收和发射光谱和Cy3®荧光团是一样的。
相关产品： sulfo-Cyanine3 NHS ester- 氨基标记活性酯 sulfo-Cyanine5 carboxylic acid- 水溶的sulfo-Cyanine5 carboxylic acid
Cy® is a trademark of GE Healthcare.
General properties
Appearance:
dark red crystals
Molecular weight:
638.17
Molecular formula:
C30H35N2NaO8S2
Solubility:
very high in water
Quality control:
NMR 1H (95%), 13C, HPLC-MS
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.
Spectral properties
Excitation maximum, nm:
548
Extinction coefficient at excitation maximum, Lmol-1cm-1:
162000
Emission maximum, nm:
563
Fluorescence quantum yield:
0.1
CF260:
0.03
CF280:
0.06
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