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Cyanine5 hydrazide,酰肼红色荧光染料
产品介绍
Cyanine5 hydrazide
Cyanine5 hydrazide is a reactive dye for the labeling of aldehydes and ketones, an analog of Cy5® hydrazide.
This dye reacts smoothly and nearly uantitatively with various carbonyl groups encountered in biomolecules. Examples are proteins subjected to oxidative stress, glycosylated proteins pre-activated by periodate oxidation (including antobodies), and oligonucleotides with aldehyde moieties.
Cyanine5 hydrazide replaces carbonyl-reactive Cy5®, Alexa Fluor 647, DyLight 649 dyes.
General properties
Appearance:

dark blue powder
Molecular weight:

569.61
Molecular formula:

C32H42Cl2N4O
Solubility:

moderate solubility in water, good in polar organic solvents (DMF, DMSO, alcohols)
uality cont*ol:

NMR 1H, HPLC-MS (95%)
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.
   
Spectral properties
Excitation maximum, nm:

646
ε, L⋅mol−1⋅cm−1:

250000
Emission maximum, nm:

662
Fluorescence uantum yield:

0.2
CF260:

0.03
CF280:

0.04
结构式：
Cyanine5 hydrazide,酰肼红色荧光染料
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