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4 arm PEG COOH

4 arm polyethylene glycol carboxyl

Catalog # Pkg Size Price(USD) Quantity Buy this product
R-1803 500mg 220.00
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R-1803 1g 320.00
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  •     MW of PEG     
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Product description

4 arm PEG COOH(Carboxyl) is a multi-arm polyethylene glycol with Carboxyl groups at each terminal of the four arms, 4 arm PEG-Carboxyl have multiple COOH reactive groups that can be used to modify proteins, peptides and other materials via their functional groups.

4 arm PEG COOH

Appearance White/Off-white solid or viscous liquid depends on molecular weight
PEG Molecular Weight 350/550/750/1000/2000/3400/5000/10000
Substitution of by NMR >90%
Reactive Group COOH can react with NH2,Hydrazide
Solubility Chloroform dichloromethane
Storage -20℃, protected from light and moisture
Transportation 4-25℃ temperature for up to 2 weeks
Stability 1 year
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