Customer Service
H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 2,000
H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 30,000
H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 3,400
H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 10,000
H2N-(CH2)3O-PEG-(CH2)3-NH2, Mw 20,000
