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4arm PEG, -(（CH2）3-NH2)4, Mw 10,000
4arm PEG, -(（CH2）3-NH2)4, Mw 20,000
4arm PEG, -(（CH2）3-NH2)4, Mw 40,000
4arm PEG, -((CH2)3-NH2)4, Mw 5,000Chemical Name: Pentaerythritol tetra(aminopropyl) polyoxyethyleneCAS#: 804514-67-8
4arm PEG, -((CH2)2-NH2)4, Mw 20,000Chemical Name: Pentaerythritol tetra(aminoethyl) polyoxyethyleneCAS#: 169501-65-9
4arm PEG, -((CH2)2-NH2)4, Mw 40,000Chemical Name: Pentaerythritol tetra(aminoethyl) polyoxyethyleneCAS#: 169501-65-9
