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RB-PEG-Biotin

Rhodamine B-Polyethylene glycol-Biotin

Catalog # Pkg Size Price(USD) Quantity Buy this product
R-2207 100mg 350.00
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R-2207 250mg 600.00
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R-2207 500mg 950.00
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  •     PEG Molecular Weight    
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Product description

Rhodamine B-Polyethylene glycol-Biotin, RB-PEG-Biotin from RuixiBio is a linear heterobifunctional PEG reagent with a Rhodamine B, TAMRA or TMR dye and Biotin group, Rhodamine B can be easily traced from its pink color and red fluorescence, Rhodamine B-PEG-Biotin is a commonly used red fluorescent dye tracer in biology for staining cells, tissues, biomarkers, Biotin can bind to avidin and streptavidin with high specificity and affinity.

RB-PEG-Biotin

Appearance Red solid or viscous liquid depends on molecular weight
PEG Molecular Weight 350/550/750/1000/2000/3400/5000/10000
Substitution of RB by NMR >90%
Substitution of Biotin by NMR >90%
Reactive Group Biotin can bind to avidin and streptavidin with high specificity and affinity
Solubility very high in Chloroform dichloromethane water PBS DMF DMSO low solubility in Methanol, ethanol, toluene THF
Storage -20℃, protected from light and moisture
Transportation 4-25℃ temperature for up to 3 weeks
Stability 12 months
Ex/Em 570nm-595nm
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