Biotin Functionalized

Biotin-PEG-Maleimide

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757713   Poly(ethylene glycol) [N-(2-maleimidoethyl)carbamoyl]ethyl ether 2-(biotinylamino)ethane average Mn 3,800
757748 Poly(ethylene glycol) [N-(2-maleimidoethyl)carbamoyl]methyl ether 2-(biotinylamino)ethane average Mn 5,400

Biotin-PEG-NHS Ester

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670049 O-[2-(Biotinyl-amino)ethyl]-O′-[3-(N-succinimidyloxy)-3-oxopropyl]polyethylene glycol Mp 3,000
757802 Poly(ethylene glycol) (N-hydroxysuccinimide 5-pentanoate) ether 2-(biotinylamino)ethane average Mn 5,000
757799 Poly(ethylene glycol) (N-hydroxysuccinimide 5-pentanoate) ether 2-(biotinylamino)ethane average Mn 3,800

Biotin-PEG-Amine (Biotin-PEG-NH2)

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689882 O-(2-Aminoethyl)-O′-[2-(biotinylamino)ethyl]octaethylene glycol ≥95% (oligomer purity)
B9931   Biotin-poly(ethyleneglycol)amine >90%, waxy solid
757764 Poly(ethylene glycol) 2-aminoethyl ether biotin
757756 Poly(ethylene glycol) 2-aminoethyl ether biotin average Mn 2,300
757772 Poly(ethylene glycol) 2-aminoethyl ether biotin average Mn 5,300

Biotin-PEG-COOH

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669946 O-[2-(Biotinyl-amino)ethyl]-O′-(2-carboxyethyl)polyethylene glycol Mp 3,000