For Hydrogel

Multi-Arm PEGs

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4arm PEG, -(CO(CH2)2COO-NHS)4, Mw 10,000   
4arm PEG, -(CO(CH2)3COO-NHS)4, Mw 5,000

Make to order

4arm PEG, -(CO(CH2)3COO-NHS)4, Mw 10,000   
4arm PEG, -(CO(CH2)3COO-NHS)4, Mw 20,000   
4arm PEG, -(CO(CH2)3COO-NHS)4, Mw 40,000  

Make to order

4arm PEG, -((CH2)5COO-NHS)4, Mw 10,000

Make to order

4arm PEG, -((CH2)5COO-NHS)4, Mw 20,000

Make to order

4arm PEG, -((CH2)5COO-NHS)4, Mw 40,000

Make to order

4arm PEG, -(COO-pNP)4, Mw 10,000   
4arm PEG, -(COO-pNP)4, Mw 20,000   
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