Boc保护的Cyanine5 hydrazide活性染料用(yòng)于醛和酮的标记。 Boc- (tert-butoxycarbonyl)保护基团可(kě)以通过三氟乙酸或其他(tā)强酸去除。活化的hydrazide形成后，便可(kě)以进行后续标记羰基基团的反应得到Cyanine5标记的分(fēn)子。
相关产品：
Cyanine5 hydrazide, free deprotected hydrazide.
General properties
Appearance:
dark blue powder
Molecular weight:
633.26
Molecular formula:
C37H49ClN4O3
Solubility:
good in dichloromethane, polar organic solvents (DMF, DMSO), alcohols, low 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.
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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