Cyanine7.5 maleimide,Cy7.5 mal
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。

Cyanine7.5 maleimide,Cy7.5 mal

產(chǎn)品介紹

Cyanine7.5 maleimide

Thiol-reactive, near infrared dye Cyanine7.5 for the labeling of protein SH groups, an analog of Cy7.5® maleimide.

Most proteins contain sulfhydryl groups which can be selectively labeled with maleimides. With this reagent, these proteins can be converted to near infrared (NIR) fluorescent conjugates. After it, the conjugates can be used in non-invasive live organism imaging to study distribution of the protein in tissues and organs.

General properties

Appearance:	green powder
Molecular weight:	807.46
Molecular formula:	C51H55ClN4O3
Solubility:	soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water
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:	788
ε, L⋅mol−1⋅cm−1:	223000
Emission maximum, nm:	808

結(jié)構(gòu)式：

 

Cyanine7.5 maleimide,Cy7.5 mal

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