Methyltetrazine-PEG12-t-butyl ester is PEG derivative containing a methyltetrazine and a t-butyl ester group. It is one of the most stable tetrazine compounds commercially available. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The hydrophilic PEG spacer can increase water-solubility and methyl group enhances the stability of methyltetrazine.
Axispharm offers 3000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.