近红外染料，含有游离氨基基团可以活化酯和其他活性分子。 Cyanine7是近红外染料，是Cy7®的类似物，尤其适合活体成像及对低背景有要求的应用。
Cy® is a trademark of GE Healthcare.
General properties
Appearance:
green powder
Molecular weight:
719.87
Molecular formula:
C43H60Cl2N4O
Solubility:
good in DMSO, DMF, alcohols
Quality control:
HPLC (95%), NMR 1H
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:
750
Extinction coefficient at excitation maximum, Lmol-1cm-1:
199000
Emission maximum, nm:
773
Fluorescence quantum yield:
0.3
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