Polyethylene Glycol (PEGs & PEOs)

N-(Amino-PEG4)-N-Biotin-PEG4-acid is a PEG derivative with biotin, terminal amine and carboxylic acid moieties. The biotin group is used for the conjugation of proteins and can also be used for labeling. The amine group can react with carboxylic

N-(Amino-PEG4)-N-bis(PEG4-t-butyl ester) is a PEG derivative containing an amino group with two t-butyl esters. The amino groups is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected

N-(Amino-PEG4)-N-bis(PEG4-t-butyl ester) is a PEG derivative containing an amino group with two t-butyl esters. The amino groups is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected

N-(Amino-PEG4)-N-bis(PEG4-t-butyl ester) is a PEG derivative containing an amino group with two t-butyl esters. The amino groups is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The t-butyl protected

N-(Amino-PEG5)-N-bis(PEG4-acid) is a PEG derivative containing an amino group with two terminal carboxylic acids. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The terminal carboxylic

N-(Amino-PEG5)-N-bis(PEG4-acid) is a PEG derivative containing an amino group with two terminal carboxylic acids. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The terminal carboxylic

N-(Amino-PEG5)-N-bis(PEG4-acid) is a PEG derivative containing an amino group with two terminal carboxylic acids. The amino group is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde) etc. The terminal carboxylic

N-(Aminooxy-PEG3)-N-bis(PEG4-t-butyl ester) is a branched PEG linker with aminooxy and t-butyl ester moieties. The aminooxy group can react with aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. The

N-(Aminooxy-PEG3)-N-bis(PEG4-t-butyl ester) is a branched PEG linker with aminooxy and t-butyl ester moieties. The aminooxy group can react with aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. The

N-(Aminooxy-PEG3)-N-bis(PEG4-t-butyl ester) is a branched PEG linker with aminooxy and t-butyl ester moieties. The aminooxy group can react with aldehyde to form an oxime bond. If a reductant is used, it will form a hydroxylamine linkage. The

N-(Azido-PEG3)-N-(PEG2-amine)-PEG3-acid is a branched PEG derivative containing azide, amine, and carboxylic acid moieties. The azide can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. An amine is reactive with

N-(Azido-PEG3)-N-(PEG2-amine)-PEG3-acid is a branched PEG derivative containing azide, amine, and carboxylic acid moieties. The azide can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. An amine is reactive with