|
订购货号 |
产品名称及规格 |
价格（￥） |
|
130A0 |
Cyanine5 Boc-hydrazide, 1 mg |
1430.00 |
|
230A0 |
Cyanine5 Boc-hydrazide, 5 mg |
2730.00 |
|
430A0 |
Cyanine5 Boc-hydrazide, 25 mg |
5330.00 |
|
530A0 |
Cyanine5 Boc-hydrazide, 50 mg |
9035.00 |
|
630A0 |
Cyanine5 Boc-hydrazide, 100 mg |
15470.00 |
Boc保护的Cyanine5 hydrazide活性染料用于醛和酮的标记。
Boc- (tert-butoxycarbonyl)保护基团可以通过三氟乙酸或其他强酸去除。活化的hydrazide形成后，便可以进行后续标记羰基基团的反应得到Cyanine5标记的分子。
相关产品：
Cyanine5 hydrazide, free deprotected hydrazide.
General properties
|
Appearance:
|
dark blue powder
|
|
Molecular weight:
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633.26
|
|
Molecular formula:
|
C37H49ClN4O3
|
|
Solubility:
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good in dichloromethane, polar organic solvents (DMF, DMSO), alcohols, low in water
|
|
Quality control:
|
NMR 1H (95%) and 13C, TLC, functional testing
|
|
Storage conditions:
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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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