PC Alkyne-PEG4-NHS ester

• CAT Number: I016107
• CAS Number: 1802907-98-7
• Molecular Formula: C29H39N3O14
• Molecular Weight: 653.63
• Purity: ≥95%
• Synonyms: (2,5-dioxopyrrolidin-1-yl) 1-[5-methoxy-2-nitro-4-[4-oxo-4-[2-[2-[2-(2-prop-2-ynoxyethoxy)ethoxy]ethoxy]ethylamino]butoxy]phenyl]ethyl carbonate
• InChI: InChI=1S/C29H39N3O14/c1-4-10-40-13-15-42-17-18-43-16-14-41-12-9-30-26(33)6-5-11-44-25-20-23(32(37)38)22(19-24(25)39-3)21(2)45-29(36)46-31-27(34)7-8-28(31)35/h1,19-21H,5-18H2,2-3H3,(H,30,33)
• InChIKey: AOWMPLACVFKCJJ-UHFFFAOYSA-N
• SMILES: CC(C1=CC(=C(C=C1[N+](=O)[O-])OCCCC(=O)NCCOCCOCCOCCOCC#C)OC)OC(=O)ON2C(=O)CCC2=O

PC Alkyne-PEG4-NHS ester is a cleavable 4 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs)[1]. PC Alkyne-PEG4-NHS ester is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
ADCs are comprised of an antibody to which is attached an ADC cytotoxin through an ADC linker[1].

Reference

[1]. Beck A, et al. Strategies and challenges for the next generation of antibody-drug conjugates. Nat Rev Drug Discov. 2017 May;16(5):315-337.
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