Fmoc-PEG2-Val-Cit-PAB-OH - CAS 2055024-59-2

Fmoc-PEG2-Val-Cit-PAB-OH is a cleavable ADC linker that features a Boc-protected amine, hydrophilic PEG spacer, and a Val-Cit-PAB dipeptide. The benzyl alcohol on the PAB can be used for conjugating reactive groups (e.g., PNP) to attach a payload. The Fmoc protecting group is removable with piperidine, revealing a primary amine for amide bond formation in conjugation reactions. The Val-Cit-PAB segment is cleaved by cellular proteases to efficiently release the payload inside cells.

ADC Linker

Antibody-drug Conjugate/ADC Related

2055024-59-2

C40H52N6O9

760.876

C(OC(NCCOCCOCCC(N[C@H](C(N[C@H](C(NC1=CC=C(CO)C=C1)=O)CCCNC(N)=O)=O)[C@@H](C)C)=O)=O)C2C=3C(C=4C2=CC=CC4)=CC=CC3

-20°C

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