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$160.00

Methoxy-PEG-(CH2)2COO-NHS, Mw 5,000

 

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$143.00

4arm PEG, -((CH2)2NHCO(CH2)2-MAL)4, Mw 40,000
Chemical Name: Pentaerythritol tetra{[2-(3-maleimido-1-oxopropyl)amino]ethyl}-polyoxyethylene
CAS#: 1349099-55-3

*: make-to-order



$132.00

4arm PEG, -((CH2)2NHCO(CH2)2-MAL)4, Mw 20,000
Chemical Name: Pentaerythritol tetra{[2-(3-maleimido-1-oxopropyl)amino]ethyl}-polyoxyethylene
CAS#: 1349099-55-3

*: make-to-order


$132.00

4arm PEG, -((CH2)2NHCO(CH2)2-MAL)4, Mw 10,000
Chemical Name: Pentaerythritol tetra{[2-(3-maleimido-1-oxopropyl)amino]ethyl}-polyoxyethylene
CAS#: 1349099-55-3