Medchemexpress LLC Mal-PEG3-NH2 | 2830214-77-0 | MFCD34184381 | 99.1% | 386.32 g·mol⁻¹ | C14H21F3N2O7 | 5 MG

Supplier:  Medchemexpress LLC HYW190796A5MG

Mal-PEG3-NH2 TFA is a linear heterobifunctional polyethylene glycol (PEG) crosslinker supplied as the trifluoroacetic acid salt. It contains a maleimide at one terminus and a primary amine at the other, enabling orthogonal conjugation to thiols and amines for bioconjugation applications such as PROTAC and ADC linker design.

• Provides maleimide and amine reactive groups for orthogonal conjugation.
• Acts as a non-cleavable PEG spacer suitable for PROTAC and ADC constructs.
• High purity (~99.1%) and defined molecular weight (386.32 g·mol⁻¹).
• Viscous liquid form that dissolves in common organic solvents for easy handling.
• Long-term stability when stored under nitrogen at -80 °C in solvent; short-term stability at -20 °C.
• Offered in small research pack sizes for laboratory synthesis and linker optimization.

Catalog No. 50-002-83132