Axispharm provides you with high-purity N1,N4-Bisazidospermine bistosylate CAS:2250433-79-3, a spermine linker, which contains an azide group at both ends. The azide group can react with alkynes, BCN, and DBCO to form stable triazole bonds.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.




![Ethyl (1R,8S,9S,Z)-bicyclo[6.1.0]non-4-ene-9-carboxylate](https://e1752fbe.rocketcdn.me/wp-content/uploads/AP10885-e1685948147603.png)

