Amine-PEG-amine (NH2-PEG-NH2), MW 5K is a PEG-based PROTAC linker with two terminal amines that is sensitive to light and temperature. Use is prohibited and the material should always be kept at a low temperature in dry conditions.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.