CAS:2107273-76-5 N-(m-PEG4)-N’-(DBCO-PEG4)-Cy5 produced by Axispharm is a Cy5-labeled fluorescent PEG linker that does not require a copper catalyst and contains a DBCO group, which is compatible with azide-containing compounds or biomolecules. The reaction forms stable triazole bonds. DBCO-activated fluorescein dyes would be ideal alternatives for copper-intolerant applications. Can be used for PROTAC synthesis.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
