5-Maleimido-pentanoic NHS Ester (CAS No: 103750-03-4) is a crosslinking reagent designed for bioconjugation. It features a maleimide group for selective thiol conjugation and an NHS ester for amine reactivity, enabling efficient attachment to biomolecules like proteins and peptides.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.



![{2-[(4-{[Bis-(2-tert-butoxycarbonylamino-ethyl)-amino]-methyl}-benzyl)-(2-tert-butoxycarbonylamino-ethyl)-amino]-ethyl}-carbamic acid tert-butyl ester](https://e1752fbe.rocketcdn.me/wp-content/uploads/AP11945.png)


