SPDP-PEG8-acid is a PEG8 linker with an SPDP group and a terminal carboxylic acid. It enables thiol conjugation, redox-sensitive release, and amide coupling, making it especially valuable for ADC design, drug delivery, and multifunctional bioconjugation.
Polyethylene Glycol PEG Linkers > Thiol PEG > SPDP-PEG-acid
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