SUNBRIGHT® PTE2-200GS3*

2arm PEG, -((CH2)2NHCO(CH2)3-NHS)2, Mw 20,000
Chemical Name: 1,3-bis{2-[(1,5-dioxo-5-succinimidyloxy, pentyl)-amino]ethoxy} 2,2-bis(methylpolyoxyethylene- oxymethyl)propane


*make-to-order