SVA-PEG-SVA (PEG-bis-Succinimidyl Valerate), MW 1K is a linear amine reactive polymer, the coupling between compounds and amine molecules at pH 7.2 to 9 is usually under physiological conditions or in weak bases under sexual conditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.