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Cat. Number
Cy7.5 马来酰亚胺 Cyanine7.5 maleimide
Chemical Name
Cy7.5 马来酰亚胺 Cyanine7.5 maleimide
Mol. Formula
C51H55ClN4O3
Mol. Weight
807.46
Qty 1
5mg
Qty 2
25mg
Appearance
green powder
Solubility
soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water
Storage condition
-20°C
References

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.

Spectral properties

Excitation maximum, nm: 788
ε, L⋅mol−1⋅cm−1: 223000
Emission maximum, nm: 808
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