SUNBRIGHT® GL2-400MA3*

2arm branched PEG, -(CH23NHCO(CH2)5-MAL, Mw 40,000
Chemical Name: 2,3-Bis(methylpolyoxyethylene-oxy)-1-{[3-(6-maleimido-1-oxohexyl)amino]propyloxy} hexane


*: make-to-order