Mal-Ph-CONH-PEG4-​NHS ester

• CAT Number: I014925
• CAS Number: 1263044-88-7
• Molecular Formula: C26H31N3O11
• Molecular Weight: 561.54
• Purity: ≥95%
• Synonyms: (2,5-dioxopyrrolidin-1-yl) 3-[2-[2-[2-[2-[[3-(2,5-dioxopyrrol-1-yl)benzoyl]amino]ethoxy]ethoxy]ethoxy]ethoxy]propanoate
• InChI: InChI=1S/C26H31N3O11/c30-21-4-5-22(31)28(21)20-3-1-2-19(18-20)26(35)27-9-11-37-13-15-39-17-16-38-14-12-36-10-8-25(34)40-29-23(32)6-7-24(29)33/h1-5,18H,6-17H2,(H,27,35)
• InChIKey: QDLKNPCHCJFKOJ-UHFFFAOYSA-N
• SMILES: C1CC(=O)N(C1=O)OC(=O)CCOCCOCCOCCOCCNC(=O)C2=CC(=CC=C2)N3C(=O)C=CC3=O

Mal-Ph-CONH-PEG4- NHS ester is a non-cleavable 4 unit PEG ADC linker used in the synthesis of antibody-drug conjugates (ADCs).
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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