1,9-Bis-Boc-1,5,9-triazanonane (CAS: 82409-02-7) is a linker containing two Boc-protected amino groups. The Boc group can be deprotected under specific conditions to form the free amine. Axispharm also has a variety of fittings to choose from.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.