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NHS PEG

$99.00

8arm PEG, -(CO(CH2)3COO-NHS)8, Mw 40,000   

In stock

$88.00

8arm PEG, -(CO(CH2)3COO-NHS)8, Mw 20,000   

In stock

8arm PEG, -(CO(CH2)2COO-NHS)8, Mw 15,000   [1g amber glass bottle]

In stock