Boc-NH-PEG1-CH2CH2COOH is a cleavable ADC linker, possessing one unit of PEG, that can be utilized for the synthesis of antibody-drug conjugates (ADCs) and PROTACs. Additionally, it serves as a PEG- and Alkyl ether-based PROTAC linker [1][2].
Boc-NH-PEG4-CH2CH2COOH is a PEG-based PROTAC linker employed in the synthesis of PROTAC[1]. Additionally, it is utilized as a cleavable ADC linker for antibody-drug conjugates (ADC)[2].