Polyethylene Glycol (PEGs & PEOs)

t-Boc-N-amido-PEG-Nitrophenyl Carbonate, MW 5K is a PEG derivative with a t-Boc protecting group and a nitrophenyl carbonate (NPC) moieties. The NPC group is reactive towards the amino group of lysine by means of stable urethane linkages. The t-Boc

t-Boc-N-amido-PEG1-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups

t-Boc-N-amido-PEG1-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups

t-Boc-N-amido-PEG1-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups

t-Boc-N-Amido-PEG1-amine is a PEG derivative containing an amino group and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters,

t-Boc-N-Amido-PEG1-amine is a PEG derivative containing an amino group and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters,

t-Boc-N-Amido-PEG1-amine is a PEG derivative containing an amino group and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The amino group is reactive with carboxylic acids, activated NHS esters,

t-Boc-N-amido-PEG1-CH2CO2H is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine

t-Boc-N-amido-PEG1-CH2CO2H is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine

t-Boc-N-amido-PEG1-CH2CO2H is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine

t-Boc-N-amido-PEG10-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups

t-Boc-N-amido-PEG10-acid is a PEG derivative containing a terminal carboxylic acid and Boc-protected amino group. The hydrophilic PEG spacer increases solubility in aqueous media. The terminal carboxylic acid can be reacted with primary amine groups