FmocNH-PEG2-CH2CO2-NHS ester is a high-purity PEG linker with an Fmoc-protected amine and an NHS ester specifically for orthogonal bioconjugation. The PEG2 spacer improves solubility and flexibility for especially efficient synthesis.
Polyethylene Glycol PEG Linkers > Fmoc PEG > Fmoc-PEG-CH2CO2-NHS
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