Cyanine5.5 NHS ester is a reactive dye for the labeling of amino-groups in peptides, proteins, and oligonucleotides, an analog of Cy5.5® NHS ester.
Cy5.5 is a far-red (and near-infrared) emitting dye which is ideal for fluorescence measurements where background fluorescence is a concern. It is also suitable for in vivo NIR imaging experiments.
This reagent can replace NHS esters of Cy5.5®, Alexa Fluor 680, and DyLight 680.
General properties：
Appearance: dark blue powder
Molecular weight: 716.31
Molecular formula: C44H46ClN3O4
Solubility: soluble in organic solvents (DMSO, DMF, dichloromethane), low solubility in water
Storage conditions: Storage: 12 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: 684
ε, L⋅mol−1⋅cm−1:209000
Emission maximum, nm:710
Fluorescence quantum yield:0.2
CF260:0.07
CF280:0.03
供应商：西安凯新生物科技有限公司
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