Ald-CH2-PEG2-CH2CO2 tBu ester (CAS: 2230956-95-1) is a bifunctional PEG linker with an aldehyde (-CHO) for biomolecule coupling and a tert-butyl ester (-CO₂tBu) for acid-cleavable protection. Overall, its PEG₂ spacer improves solubility and reduces steric hindrance, making it ideal for bioconjugation, drug development, and ADC synthesis.
Polyethylene Glycol PEG Linkers > Aldehyde PEG > Ald-CH2-PEG-CH2CO2tBu
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