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Medchemexpress LLC Mal-PEG4-NHS ester | 1325208-25-0 | 99.4% | 442.42 | C19H26N2O10 | 5 G
Supplier: Medchemexpress LLC HY1265055G
Mal-PEG4-NHS ester is a heterobifunctional polyethylene glycol (PEG) linker bearing a terminal maleimide and an N-hydroxysuccinimide (NHS) ester. It is used to conjugate sulfhydryl-containing molecules to primary amines for bioconjugation applications such as antibody-drug conjugates and linking quantum dots to PEGylated liposomes.
- heterobifunctional linker enabling thiol-to-amine conjugation
- contains a four-unit peg spacer to improve solubility and reduce steric hindrance
- maleimide group reacts selectively with sulfhydryl groups
- nhs ester reacts with primary amines under mild conditions
- provided as a high-purity reagent suitable for research use
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