Polyethylene Glycol (PEGs & PEOs)

5-Maleimido-pentanoic NHS ester contains a maleimide group and an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The maleimide group will

5-Maleimido-pentanoic NHS ester contains a maleimide group and an NHS ester. The NHS ester can be used to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. The maleimide group will

6-(tert-Butoxy)-6-oxohexanoic NHS ester has a t-butyl ester group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of

6-(tert-Butoxy)-6-oxohexanoic NHS ester has a t-butyl ester group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of

6-(tert-Butoxy)-6-oxohexanoic NHS ester has a t-butyl ester group and an NHS ester moiety. The t-butyl group can be deprotected under acidic conditions. NHS ester can react specifically and efficiently with primary amines such as the side chain of

6-Bromohexylphosphonic acid.

6-Bromohexylphosphonic acid.

6-Bromohexylphosphonic acid.

6-FAM-PEG3-Azide.

6-FAM-PEG3-Azide.

6-FAM-PEG3-Azide.

6-Maleimidocaproic acid contains a maleimide group and a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The maleimide