Amino-PEG9-acid is a PEG-based PROTAC linker can be used in the synthesis of PROTACs. Amino-PEG9-acid is a non-cleavable ADC linker used in the synthesis of antibody-drug conjugates (ADCs)[1].
ADCs are comprised of an antibody to which is attached an ADC cytotoxin through an ADC linker.
[1]. Iwaoka E, et al. Improvement of monolithic solid material by utilization of spacer for identification of the target using affinity resins. Bioorg Med Chem Lett. 2009 Mar 1;19(5):1469-72.