Medchemexpress LLC Bis-PEG25-NHS ester | 2221948-96-3 | 99.8% | 1413.55 g/mol | C62H112N2O33 | 250 MG

Supplier:  Medchemexpress LLC HY130828250MG

Bis-PEG25-NHS ester is a homobifunctional polyethylene glycol (PEG) linker bearing two N-hydroxysuccinimide (NHS) ester groups, used for amine-directed bioconjugation in PROTAC and ADC synthesis. It provides a hydrophilic spacer to improve solubility and facilitates cleavable linker chemistry.

• High purity (99.8%).
• Homobifunctional PEG linker with two NHS ester groups.
• Molecular weight 1413.55 g/mol and formula C62H112N2O33.
• Suitable for PROTAC and ADC linker chemistry and general amine-directed conjugation.
• Available in multiple pack sizes including 25 mg, 50 mg, 100 mg, 250 mg, 500 mg, and 1 g.
• Store sealed, away from moisture at -20°C; in solvent store at -80°C (up to 6 months) or -20°C (up to 1 month).

Catalog No. 50-002-03924