Boc保護(hù)的Cyanine5 hydrazide活性染料用于醛和酮的標(biāo)記。 Boc- (tert-butoxycarbonyl)保護(hù)基團(tuán)可以通過(guò)三氟乙酸或其他強(qiáng)酸去除。活化的hydrazide形成后,便可以進(jìn)行后續(xù)標(biāo)記羰基基團(tuán)的反應(yīng)得到Cyanine5標(biāo)記的分子。
相關(guān)產(chǎn)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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