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RB-PEG-COOH

Rhodamine B-Polyethylene glycol-carboxyl

Catalog # Pkg Size Price(USD) Quantity Buy this product
R-2204 100mg 350.00
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R-2204 250mg 600.00
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R-2204 500mg 950.00
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  •     PEG Molecular Weight    
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Product description

Rhodamine B-Polyethylene glycol-carboxyl, RB-PEG-COOH from RuixiBio is a linear heterobifunctional PEG reagent with a Rhodamine B, TAMRA or TMR dye and carboxyl group maximum absorption 570 nm and emission 595 nm, Rhodamine B can be easily traced from its pink color and red fluorescence, Rhodamine B-PEG-COOH is a commonly used red fluorescent dye tracer in biology for staining cells, tissues, biomarkers, carboxyl group can react with amine group.

RB-PEG-COOH

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 COOH by NMR >90%
Reactive Group COOH can react with NH2,Hydrazide
Solubility DMF DMSO
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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