Methyltetrazine-PEG4-Maleimideenablessimpleandefficientincorporationofatetrazinemoietyontoantibodies,cysteine-containingpeptidesandotherthiol-containingmolecules.Themaleimidegroupspecificallyandefficientlyreactswithreducedthiols(sulfhydrylgroups,–SH)atpH6.5to7.5toformstablethioetherbonds.Thehydrophilicpolyethyleneglycol(PEG)spacerarmimprovessolubilityinaqueousbuffers.

| Molecularweight | 514.53 |
| Chemicalcomposition | C24H30N6O7 |
| CAS | N/A |
| Solubility | DMSO,DMF,DCM,THF,Chloroform |
| Purity | >90%(HPLC) |
| Appearance | Redcrystalline |
| StorageConditions | -20C |
| Shippingconditions | Ambienttemperature |