PEG NHS ester

The NHS activated form reacts readily with primary amines to form an amide bond. The reaction proceeds in either organic solvents, or in aqueous solutions. If performed in aqueous basic solution, the competing hydrolysis reaction may be significant.
| Cat Nr | Product | CAS Number | n | MW | ||
|---|---|---|---|---|---|---|
| 21138-2790 | Maleimidopropionyl-PEG NHS ester | 27 | 1570.8 | |||
| 38157-0795 | PEG NHS ester disulfide | 947601-98-1 | 7 | 1109.3 |