BB1-NHS esters CAS:2082771-52-4 are used in a unique chemoselective “non-clickable” bioconjugation strategy for site-specific modification of proteins. BB1-NHS esters are amine reactive at pH 7-9 and form stable, irreversible amide bonds.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.
