Cyanine5 hydrazide,酰肼紅色熒光染料

Cyanine5 hydrazide,酰肼紅色熒光染料
目前Cyanine系列染料以兩種異構(gòu)體的形式存在，一種是非磺化花青素（non-sulfonated cyanines），一種是磺化花青素（sulfonatedcyanine）。兩者的光譜性質(zhì)幾乎*，因此大部分應(yīng)用可相互替換。

Cyanine5 hydrazide,酰肼紅色熒光染料

產(chǎn)品介紹

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

結(jié)構(gòu)式：

 

Cyanine5 hydrazide,酰肼紅色熒光染料

西安凱新生物科技有限公司

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