DBCO-NHCO-PEG4-NHS ester is a DBCO-containing PEGylated active ester linker that combines NHS ester reactivity toward primary amines with strain-promoted azide-alkyne cycloaddition capability. It enables efficient bioconjugation through amide coupling and copper-free click reaction with azide groups. The PEG4 spacer provides hydrophilicity and tunable linker length, making it widely used in PROTAC and antibody-drug conjugate (ADC) construction.
Molecular Weight:
649.69
CAS Number:
[2100306-58-7]
Formula:
C34H39N3O10
T15064
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