Cyanine5.5 dye，游离酸形式，非活性染料。该染料对大多数应用可以理解为非活性。它可以用作对照或参考样本，和对仪器进行校准。 预活化的NHS ester染料可以用于氨基基团的标记。
Cy® is a trademark of GE Healthcare.
General properties
Appearance:
dark blue powder
Molecular weight:
619.23
Molecular formula:
C40H43ClN2O2
CAS number:
1144107-80-1, 1256349-47-9
Solubility:
soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility 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:
673
Extinction coefficient at excitation maximum, Lmol-1cm-1:
209000
Emission maximum, nm:
707
Fluorescence quantum yield:
0.2
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