Folate-PEG-OH (Folic acid-PEG-OH), MW 10K is a linear heterobifunctional polyPEG with hydroxyl groups, folic acid or vitamin B9 can selectively bind to folate receptors, and the OH group can be further modified for bioconjugation.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.